Fix #6334: Preserve annotation vertex order during subdivision to prevent arrow/text flip

Add dialog to DuplicateType operator allowing users to set name, description,
and optionally assign the active object to the duplicated type. Add duplicate
button to product UI in type panel with auto-assignment enabled by default.

.github/dependabot.yml

@@ -0,0 +1,8 @@
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/build_osx.yml

@@ -21,12 +21,12 @@ jobs:
 
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           submodules: recursive
 
       - name: Checkout Build Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           repository: IfcOpenShell/build-outputs
           path: ./build
@@ -81,7 +81,7 @@ jobs:
 
       - name: Upload Build Logs
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: build-logs-osx-${{ matrix.arch }}
           path: |
@@ -139,7 +139,7 @@ jobs:
           cd ..
 
       - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v4
+        uses: aws-actions/configure-aws-credentials@v5
         with:
           aws-access-key-id: ${{ secrets.AWS_UPLOAD_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_UPLOAD_SECRET_ACCESS_KEY }}

.github/workflows/build_pyodide.yml

@@ -9,13 +9,13 @@ jobs:
 
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           submodules: recursive
           path: IfcOpenShell
 
       - name: Checkout Build Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           repository: IfcOpenShell/build-outputs
           path: ifcopenshell_build
@@ -42,7 +42,7 @@ jobs:
 
       - name: Upload Build Logs
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: build-logs-pyodide
           path: |
@@ -77,7 +77,7 @@ jobs:
           git push || echo "Push failed"
 
       - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v4
+        uses: aws-actions/configure-aws-credentials@v5
         with:
           aws-access-key-id: ${{ secrets.AWS_UPLOAD_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_UPLOAD_SECRET_ACCESS_KEY }}

.github/workflows/build_rocky.yml

@@ -29,12 +29,12 @@ jobs:
           aws --version
 
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           submodules: recursive
 
       - name: Checkout Build Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           repository: IfcOpenShell/build-outputs
           path: ./build
@@ -48,8 +48,8 @@ jobs:
           [ -n "$install_root" ] && find "$install_root" -type f -name 'cache-*.tar.gz' -maxdepth 1 -exec tar -xzf {} -C "$install_root" \; || true
 
       - name: ccache
-        # Latest release (1.2.19) doesn't support Rocky, so using a specific commit.
-        uses: hendrikmuhs/ccache-action@eca11c308176d48942455b9e5b1b70ff6950a778
+        # TODO: Use tag after 1.2.20 releases.
+        uses: hendrikmuhs/ccache-action@5ebbd400eff9e74630f759d94ddd7b6c26299639
         with:
           key: ubuntu-22.04-${{ runner.arch }}-rockylinux8
 
@@ -61,7 +61,7 @@ jobs:
 
       - name: Upload Build Logs
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: build-logs-rocky
           path: |
@@ -118,7 +118,7 @@ jobs:
           cd ..
 
       - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v4
+        uses: aws-actions/configure-aws-credentials@v5
         with:
           aws-access-key-id: ${{ secrets.AWS_UPLOAD_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_UPLOAD_SECRET_ACCESS_KEY }}

.github/workflows/build_rocky_arm.yml

@@ -29,12 +29,12 @@ jobs:
           aws --version
 
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           submodules: recursive
 
       - name: Checkout Build Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           repository: IfcOpenShell/build-outputs
           path: ./build
@@ -48,8 +48,8 @@ jobs:
           [ -n "$install_root" ] && find "$install_root" -type f -name 'cache-*.tar.gz' -maxdepth 1 -exec tar -xzf {} -C "$install_root" \; || true
 
       - name: ccache
-        # Latest release (1.2.19) doesn't support Rocky, so using a specific commit.
-        uses: hendrikmuhs/ccache-action@eca11c308176d48942455b9e5b1b70ff6950a778
+        # TODO: Use tag after 1.2.20 releases.
+        uses: hendrikmuhs/ccache-action@5ebbd400eff9e74630f759d94ddd7b6c26299639
         with:
           key: ubuntu-22.04-${{ runner.arch }}-rockylinux8
 
@@ -61,7 +61,7 @@ jobs:
 
       - name: Upload Build Logs
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: build-logs-rocky-arm64
           path: |
@@ -118,7 +118,7 @@ jobs:
           cd ..
 
       - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v4
+        uses: aws-actions/configure-aws-credentials@v5
         with:
           aws-access-key-id: ${{ secrets.AWS_UPLOAD_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_UPLOAD_SECRET_ACCESS_KEY }}

.github/workflows/build_win.yml

@@ -12,12 +12,12 @@ jobs:
         arch: ['x64']
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           submodules: recursive
 
       - name: Checkout Build Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           repository: IfcOpenShell/build-outputs
           path: _deps-vs2022-x64-installed
@@ -37,8 +37,8 @@ jobs:
           }
 
       - name: ccache
-        # Use fork to resolve cache misses / duplicated cache entries on Windows.
-        uses: Andrej730/ccache-action@main
+        # TODO: Use tag after 1.2.20 releases.
+        uses: hendrikmuhs/ccache-action@5ebbd400eff9e74630f759d94ddd7b6c26299639
         with:
           key: win-${{ matrix.arch }}
           # Windows ccache needs ~1GB
@@ -73,7 +73,7 @@ jobs:
           git push || echo "Push failed"
 
       - name: Configure AWS Credentials
-        uses: aws-actions/configure-aws-credentials@v4
+        uses: aws-actions/configure-aws-credentials@v5
         with:
           aws-access-key-id: ${{ secrets.AWS_UPLOAD_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_UPLOAD_SECRET_ACCESS_KEY }}

.github/workflows/ci-bcf-pypi.yml

@@ -19,8 +19,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2 # https://github.com/actions/checkout
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5 # https://github.com/actions/checkout
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
           architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified

.github/workflows/ci-black-formatting.yaml

@@ -9,15 +9,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Action - checkout repository
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
 
       - name: Action - install python
-        uses: actions/setup-python@v5.3.0
+        uses: actions/setup-python@v6
         with:
           python-version: "3.9"
 
       - name: Action - install python
-        uses: actions/setup-python@v5.3.0
+        uses: actions/setup-python@v6
         with:
           python-version: "3.11"
 

.github/workflows/ci-bonsai-choco.yml

@@ -34,7 +34,7 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-tags: true
           fetch-depth: 0

.github/workflows/ci-bonsai-daily.yml

@@ -54,8 +54,8 @@ jobs:
             short_name: macosm1,
           }
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
           python-version: '3.11'
@@ -93,7 +93,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout bonsai_unstable_repo repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
         with:
           repository: IfcOpenShell/bonsai_unstable_repo
           token: ${{ secrets.IFCOPENBOT_TOKEN }}

.github/workflows/ci-bonsai.yml

@@ -43,8 +43,8 @@ jobs:
             short_name: macosm1,
           }
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
           python-version: '3.11'

.github/workflows/ci-bsdd-pypi.yaml

@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
       - name: Compile

.github/workflows/ci-ifc4d-pypi.yaml

@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
       - name: Compile

.github/workflows/ci-ifc5d-pypi.yaml

@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
       - name: Compile

.github/workflows/ci-ifccityjson-pypi.yaml

@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
       - name: Compile

.github/workflows/ci-ifcclash-pypi.yaml

@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
       - name: Compile

.github/workflows/ci-ifcconvert.yml

@@ -37,8 +37,8 @@ jobs:
             short_name: macosm164
           }
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
           architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified

.github/workflows/ci-ifccsv-pypi.yaml

@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
       - name: Compile

.github/workflows/ci-ifcdiff-pypi.yaml

@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
       - name: Compile

.github/workflows/ci-ifcfm-pypi.yaml

@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
       - name: Compile

.github/workflows/ci-ifcopenshell-conda-cleaner.yml

@@ -24,7 +24,7 @@ jobs:
     if: |
       github.repository == 'IfcOpenShell/IfcOpenShell'
     steps:
-      - uses: mamba-org/setup-micromamba@v1 # https://github.com/mamba-org/setup-micromamba
+      - uses: mamba-org/setup-micromamba@v2 # https://github.com/mamba-org/setup-micromamba
         with:
           environment-name: test-env
           create-args: >-

.github/workflows/ci-ifcopenshell-conda-daily.yml

@@ -21,7 +21,7 @@ jobs:
       date: ${{ steps.date.outputs.date }}
       verdate: ${{ steps.verdate.outputs.verdate }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set env
         run: echo ok go
       
@@ -76,7 +76,7 @@ jobs:
             echo "ARTIFACTS_DIR=/home/runner/work/artifacts" >> $GITHUB_ENV
           fi
       
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: recursive
 

.github/workflows/ci-ifcopenshell-docker.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-22.04
     needs: activate
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v5
       with:
         submodules: recursive
 
@@ -76,7 +76,7 @@ jobs:
         make package
       working-directory: build
     - name: Upload 
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         # Artifact name
         name: ifcos-artifacts
@@ -89,31 +89,31 @@ jobs:
     name: Docker Build, Tag, Push
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v5
       with:
         lfs: true
     
     - name: Download 
-      uses: actions/download-artifact@v4.1.7
+      uses: actions/download-artifact@v6.0.0
       with:
         # Artifact name
         name: ifcos-artifacts
         path: artifacts/
     -
       name: Set up QEMU
-      uses: docker/setup-qemu-action@v1
+      uses: docker/setup-qemu-action@v3
     -
       name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v1        
+      uses: docker/setup-buildx-action@v3        
     - 
       name: Login to Dockerhub
-      uses: docker/login-action@v1 
+      uses: docker/login-action@v3 
       with:
         username: aecgeeks
         password: ${{ secrets.DOCKER_HUB_TOKEN }}
     - 
       name: Build container image
-      uses: docker/build-push-action@v2
+      uses: docker/build-push-action@v6
       with: 
         context: artifacts
         repository: aecgeeks/ifcopenshell

.github/workflows/ci-ifcopenshell-python-pypi.yml

@@ -34,6 +34,10 @@ jobs:
             name: "Linux 64bit",
             short_name: linux64
           }
+          - {
+            name: "Linux ARM 64bit",
+            short_name: linuxarm64
+          }
           - {
             name: "MacOS Intel 64bit",
             short_name: macos64
@@ -43,10 +47,10 @@ jobs:
             short_name: macosm164
           }
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
         with:
           submodules: recursive
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
           architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified

.github/workflows/ci-ifcopenshell-python.yml

@@ -38,10 +38,10 @@ jobs:
             short_name: macosm164
           }
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
         with:
           submodules: recursive
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
           architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified

.github/workflows/ci-ifcpatch-pypi.yaml

@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
       - name: Compile

.github/workflows/ci-ifcsverchok-daily.yml

@@ -25,8 +25,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
           python-version: '3.11'

.github/workflows/ci-ifcsverchok.yml

@@ -19,8 +19,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           architecture: 'x64' # optional x64 or x86. Defaults to x64 if not specified
           python-version: '3.11'

.github/workflows/ci-ifctester-org.yml

@@ -10,9 +10,9 @@ jobs:
   publish_website:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
       - name: Checkout ifctester_org_static_html
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: IfcOpenShell/ifctester_org_static_html
           token: ${{ secrets.IFCOPENBOT_TOKEN }}

.github/workflows/ci-ifctester-pypi.yml

@@ -18,8 +18,8 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2 # https://github.com/actions/setup-python
+      - uses: actions/checkout@v5
+      - uses: actions/setup-python@v6 # https://github.com/actions/setup-python
         with:
           python-version: '3.11' # Version range or exact version of a Python version to use, using SemVer's version range syntax
       - name: Compile

.github/workflows/ci.yml

@@ -35,12 +35,12 @@ jobs:
     runs-on: ubuntu-22.04
     needs: activate
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
             submodules: recursive
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: 3.11
 
@@ -64,13 +64,16 @@ jobs:
           libboost-regex-dev \
           libboost-system-dev \
           libboost-thread-dev \
-          swig libpcre3-dev libxml2-dev \
+          libpcre3-dev libxml2-dev \
           libtbb-dev nlohmann-json3-dev \
           libocct-foundation-dev libocct-modeling-algorithms-dev libocct-modeling-data-dev libocct-ocaf-dev libocct-visualization-dev libocct-data-exchange-dev \
           libhdf5-dev libcgal-dev libeigen3-dev
           
       - name: ccache
-        uses: hendrikmuhs/ccache-action@v1.2
+        # TODO: temporarily pointing to 1.2.19 to get notified by dependabot when 1.2.20 is released
+        # to update hardcoded references to commits in some other workflows.
+        # Then we can switch back to 1.2 in all actions.
+        uses: hendrikmuhs/ccache-action@v1.2.19
         with:
           key: ubuntu-22.04-${{ runner.arch }}
 
@@ -97,6 +100,41 @@ jobs:
             ..
           sudo make -j$(nproc) install
 
+      # OpenCOLLADA is ancient, but we still have it in the main build.
+      # So adding it to CI to catch any breakages.
+      - name: build OpenCOLLADA
+        run: |
+          git clone https://github.com/KhronosGroup/OpenCOLLADA
+          cd OpenCOLLADA
+          git checkout v1.6.68
+          patch -p1 --batch --forward -i ../nix/patches/opencollada/pr622_and_disable_subdirs.patch
+          patch -p1 --batch --forward -i ../nix/patches/opencollada/allow_static_libraries_config_on_unix.patch
+          mkdir build && cd build
+          cmake .. \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
+            -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
+            -DCMAKE_CXX_FLAGS_INIT="-fPIC"
+          sudo make -j$(nproc) install
+
+      # Ubuntu has `swig` package, but we build it to match the version we use in the main build.
+      # To avoid failing tests when checking stub generation.
+      - name: build swig
+        run: |
+          # Remove default swig to avoid conflicts.
+          sudo apt remove --purge swig swig4.0
+          sudo apt-get install -y libpcre2-dev bison
+          git clone https://github.com/swig/swig
+          cd swig
+          git checkout v4.1.0
+          mkdir build && cd build
+          cmake .. \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+          sudo make -j$(nproc) install
+
       - name: Build ifcopenshell
         run: |
           echo $Python3_ROOT_DIR
@@ -114,7 +152,6 @@ jobs:
                -DOCC_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu \
                -DPYTHON_EXECUTABLE:FILEPATH=${{ env.pythonLocation }}/bin/python \
                -DPYTHON_INCLUDE_DIR:PATH=${{ env.pythonLocation }}/include/python3.11 \
-               -DCOLLADA_SUPPORT=Off \
                -DUSE_MMAP=On \
                "-DSCHEMA_VERSIONS=2x3;4;4x3_add2" \
                -DGLTF_SUPPORT=On \

.github/workflows/docs-deployment-unstable.yml

@@ -11,10 +11,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v6
         with:
           python-version: '3.x'
 

.github/workflows/docs-deployment.yml

@@ -9,10 +9,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v6
         with:
           python-version: '3.x'
 

.github/workflows/publish-pyodide-demo-app.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout (recursive)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           submodules: recursive
           fetch-depth: 0
@@ -34,7 +34,7 @@ jobs:
         uses: actions/configure-pages@v5
       - name: Upload static files as artifact
         id: deployment
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: src/pyodide/demo-app/
 

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
         with:
           submodules: recursive
       - name: Install C++ dependencies

.gitignore

@@ -17,6 +17,7 @@
 # General Python residue
 __pycache__
 *.py.bak
+venv
 
 # Visual Studio Code files
 .vscode
@@ -78,8 +79,6 @@ src/bonsai/bonsai/translations.py
 
 # bonsai test temp files
 src/bonsai/test/files/temp
-src/bonsai/test/files/basic.ifc.cache.blend
-src/bonsai/test/files/basic.ifc.cache.sqlite
 
 # bonsai data
 src/bonsai/bonsai/bim/data/build/
@@ -87,9 +86,7 @@ src/bonsai/bonsai/bim/data/gantt/index.html
 src/bonsai/bonsai/bim/data/gantt/jsgantt.js
 src/bonsai/bonsai/bim/data/gantt/jsgantt.css
 src/bonsai/bonsai/bim/data/webui/static/js/jquery.min.js
-
-src/bonsai/drawings
-src/bonsai/layouts
+src/bonsai/bonsai/bim/data/webui/running_pid.json
 
 # ifcopenshell swig and compiled files
 src/ifcopenshell-python/ifcopenshell/_ifcopenshell_wrapper*.so

.gitmodules

@@ -11,9 +11,6 @@
 [submodule "src/ifcopenshell-python/test/Sample-BIM-Files"]
 	path = src/ifcopenshell-python/test/Sample-BIM-Files
 	url = https://github.com/IfcOpenShell/ids-test-files
-[submodule "src/ifcconvert/cityjson"]
-	path = src/ifcconvert/cityjson
-	url = https://github.com/IfcOpenShell/ifc-to-cityjson
 [submodule "docs/cpp-api/assets/doxygen-awesome-css"]
 	path = docs/cpp-api/assets/doxygen-awesome-css
 	url = https://github.com/jothepro/doxygen-awesome-css.git

VERSION

@@ -1 +1 @@
-0.8.4
+0.8.5

cmake/CMakeLists.txt

@@ -79,7 +79,6 @@ option(HDF5_SUPPORT "Enable HDF5 support (requires HDF5, zlib)" ON)
 option(WITH_PROJ "Enable output of Earth-Centered Earth-Fixed glTF output using the PROJ library" OFF)
 option(IFCXML_SUPPORT "Build IfcParse with ifcXML support (requires libxml2)." ON)
 option(USD_SUPPORT "Build IfcConvert with USD support (requires pixar's USD library)." OFF)
-option(CITYJSON_SUPPORT "Build IfcConvert with CityJSON support (requires CityJSON library)." OFF)
 option(WITH_RELATIONSHIP_VALIDATION "Build IfcConvert with option to validate geometrical relationships." OFF)
 option(WITH_ROCKSDB "Support a RocksDB key-value store as a file backend in IfcOpenShell" OFF)
 option(WITH_ZSTD "Use Zstd compression in RocksDB writes" OFF)
@@ -104,6 +103,9 @@ endif()
 
 project(IfcOpenShell VERSION ${RELEASE_VERSION})
 
+# Make sure CMake modules in this project are found first
+list(PREPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR})
+
 if(MINIMAL_BUILD)
     message(STATUS "Setting options for minimal build")
     set(BUILD_GEOMSERVER OFF)
@@ -196,30 +198,13 @@ if(BUILD_SHARED_LIBS)
     set(IFCOPENSHELL_LIBRARY_DIR "${LIBDIR}")
 endif()
 
-UNIFY_ENVVARS_AND_CACHE(OCC_INCLUDE_DIR)
-UNIFY_ENVVARS_AND_CACHE(OCC_LIBRARY_DIR)
 UNIFY_ENVVARS_AND_CACHE(BOOST_ROOT)
 UNIFY_ENVVARS_AND_CACHE(BOOST_LIBRARYDIR)
-UNIFY_ENVVARS_AND_CACHE(EIGEN_DIR)
 
 if(NOT MINIMAL_BUILD)
-    UNIFY_ENVVARS_AND_CACHE(OPENCOLLADA_INCLUDE_DIR)
-    UNIFY_ENVVARS_AND_CACHE(OPENCOLLADA_LIBRARY_DIR)
-    UNIFY_ENVVARS_AND_CACHE(LIBXML2_INCLUDE_DIR)
-    UNIFY_ENVVARS_AND_CACHE(LIBXML2_LIBRARIES)
-    UNIFY_ENVVARS_AND_CACHE(PCRE_LIBRARY_DIR)
     UNIFY_ENVVARS_AND_CACHE(PYTHON_INCLUDE_DIR)
     UNIFY_ENVVARS_AND_CACHE(PYTHON_LIBRARY)
     UNIFY_ENVVARS_AND_CACHE(PYTHON_EXECUTABLE)
-    UNIFY_ENVVARS_AND_CACHE(HDF5_INCLUDE_DIR)
-    UNIFY_ENVVARS_AND_CACHE(HDF5_LIBRARY_DIR)
-    UNIFY_ENVVARS_AND_CACHE(HDF5_LIBRARIES)
-    UNIFY_ENVVARS_AND_CACHE(CGAL_INCLUDE_DIR)
-    UNIFY_ENVVARS_AND_CACHE(CGAL_LIBRARY_DIR)
-    UNIFY_ENVVARS_AND_CACHE(GMP_INCLUDE_DIR)
-    UNIFY_ENVVARS_AND_CACHE(GMP_LIBRARY_DIR)
-    UNIFY_ENVVARS_AND_CACHE(MPFR_INCLUDE_DIR)
-    UNIFY_ENVVARS_AND_CACHE(MPFR_LIBRARY_DIR)
 endif()
 
 # Get a list of all OPTION flags from the CMakeLists.txt
@@ -230,53 +215,13 @@ foreach(option_flag IN LISTS option_flags)
     convert_env_var_to_bool("${option_flag}")
 endforeach()
 
-set(CMAKE_FIND_ROOT_PATH_BACKUP "${CMAKE_FIND_ROOT_PATH}")
-
-macro(clear_wasm_sysroot)
-if(WASM_BUILD)
-    # when using the nix/build-all.py build script we should not
-    # look into the sysroot for most of the dependencies but rather
-    # in the designated build/ folder created by the script.
-    set(CMAKE_FIND_ROOT_PATH "")
-endif()
-set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER)
-endmacro()
-
-macro(restore_wasm_sysroot)
-if(WASM_BUILD)
-    # reset to use sysroot
-    set(CMAKE_FIND_ROOT_PATH "${CMAKE_FIND_ROOT_PATH_BACKUP}")
-endif()
-set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-endmacro()
-
 if(WITH_CGAL)
-    if(NOT CGAL_INCLUDE_DIR)
-	# CGAL is not respecting default Boost_USE_STATIC_LIBS value
-	# and sometiems it's getting in the way.
-	if(NOT DEFINED Boost_USE_STATIC_LIBS)
-		set(CGAL_Boost_USE_STATIC_LIBS OFF)
-	else()
-		set(CGAL_Boost_USE_STATIC_LIBS "${Boost_USE_STATIC_LIBS}")
-	endif()
-        find_package(CGAL REQUIRED)
-        if(NOT CGAL_DIR)
-            message(
-                FATAL_ERROR
-                "CGAL_SUPPORT enabled, but CGAL_INCLUDE_DIR wasn't provided and CGAL package couldn't be found."
-            )
-        endif()
-        message(STATUS "CGAL: found config at '${CGAL_DIR}'.")
+    find_package(CGAL REQUIRED)
+    if(TARGET CGAL::CGAL)
         link_libraries(CGAL::CGAL)
     endif()
-
     add_definitions(-DIFOPSH_WITH_CGAL)
     set(SWIG_DEFINES ${SWIG_DEFINES} -DIFOPSH_WITH_CGAL)
-
-    if(CITYJSON_SUPPORT)
-		add_definitions(-DIFOPSH_WITH_CITYJSON)
-    endif()
-
     list(APPEND GEOMETRY_KERNELS cgal)
 endif()
 
@@ -286,7 +231,7 @@ if(WITH_OPENCASCADE)
     list(APPEND GEOMETRY_KERNELS opencascade)
 endif()
 
-if(GLTF_SUPPORT OR CITYJSON_SUPPORT)
+if(GLTF_SUPPORT)
     UNIFY_ENVVARS_AND_CACHE(JSON_INCLUDE_DIR)
     if(NOT JSON_INCLUDE_DIR)
         find_package(nlohmann_json CONFIG)
@@ -298,9 +243,7 @@ if(GLTF_SUPPORT OR CITYJSON_SUPPORT)
     endif()
 
     if(NOT nlohmann_json_DIR)
-        clear_wasm_sysroot()
         find_path(json_header_path "nlohmann/json.hpp" HINTS ${JSON_INCLUDE_DIR})
-        restore_wasm_sysroot()
         set(JSON_INCLUDE_DIR ${json_header_path})
 
         if(json_header_path)
@@ -316,49 +259,7 @@ endif()
 
 # Add USD support to serializers
 if(USD_SUPPORT)
-    UNIFY_ENVVARS_AND_CACHE(USD_INCLUDE_DIR)
-    UNIFY_ENVVARS_AND_CACHE(USD_LIBRARY_DIR)
-
-    if("${USD_INCLUDE_DIR}" STREQUAL "")
-        find_path(USD_INCLUDE_DIR pxr.h
-            PATHS
-                /usr/include/pxr
-                /usr/local/include/pxr
-            REQUIRED
-        )
-        if(USD_INCLUDE_DIR)
-            message(STATUS "Found USD include files in: ${USD_INCLUDE_DIR}")
-        else()
-            message(FATAL_ERROR "Unable to find USD include directory, specify USD_INCLUDE_DIR manually.")
-        endif()
-    else()
-        set(USD_INCLUDE_DIR ${USD_INCLUDE_DIR} CACHE FILEPATH "USD header files")
-        message(STATUS "Looking for USD include files in: ${USD_INCLUDE_DIR}")
-    endif()
-
-    set(USD_LIBRARIES
-            usd_usd
-            usd_usdGeom
-            usd_usdShade
-            usd_usdLux
-            usd_vt
-            usd_sdf
-            usd_tf
-            usd_gf
-        )
-
-    find_library(USD_LIBRARY
-        NAMES ${USD_LIBRARIES}
-        PATHS ${USD_LIBRARY_DIR})
-    if(USD_LIBRARY)
-        message(STATUS "USD libraries ${USD_LIBRARIES} found in: ${USD_LIBRARY_DIR}")
-        link_directories(${USD_LIBRARY_DIR})
-    else()
-        message(FATAL_ERROR "Unable to find USD libraries in: ${USD_LIBRARY_DIR}")
-    endif()
-
-    add_definitions(-DWITH_USD)
-    set(SWIG_DEFINES ${SWIG_DEFINES} -DWITH_USD)
+    find_package(USD REQUIRED)
 endif(USD_SUPPORT)
 
 if (WITH_ROCKSDB)
@@ -440,44 +341,15 @@ if(USE_MMAP)
     add_definitions(-DUSE_MMAP)
 endif()
 
-clear_wasm_sysroot()
 find_package(Boost REQUIRED COMPONENTS ${BOOST_COMPONENTS})
-restore_wasm_sysroot()
 message(STATUS "Boost include files found in ${Boost_INCLUDE_DIRS}")
 message(STATUS "Boost libraries found in ${Boost_LIBRARY_DIRS}")
 
 if(NOT MINIMAL_BUILD)
     # libxml2 is required for IFCXML (optional) and SVGFILL (mandatory)
-    clear_wasm_sysroot()
     if(IFCXML_SUPPORT)
-        if((NOT LIBXML2_INCLUDE_DIR AND NOT LIBXML2_LIBRARIES))
-            # First try config mode (probably works with vcpkg, Conan, macOS brew installs, but not on ubuntu 22.04)
-            # CONFIG is provided using root path, so no need to clear sysroot here.
-            restore_wasm_sysroot()
-            find_package(LibXml2 QUIET CONFIG)
-            clear_wasm_sysroot()
-
-            if(NOT LibXml2_FOUND)
-                # Fallback to CMake's builtin FindLibXml2 module (works on Ubuntu)
-                find_package(LibXml2 REQUIRED)
-            else()
-                message(STATUS "Found LibXml2 config: ${LibXml2_DIR}")
-            endif()
-
-            if(TARGET LibXml2::LibXml2)
-                # Config mode already gives us the target
-                set(LIBXML2_LIBRARIES LibXml2::LibXml2)
-                get_target_property(LIBXML2_INCLUDE_DIR LibXml2::LibXml2 INTERFACE_INCLUDE_DIRECTORIES)
-            else()
-                # Module mode (Ubuntu)
-                set(LIBXML2_LIBRARIES ${LibXml2_LIBRARIES})
-                set(LIBXML2_INCLUDE_DIR ${LibXml2_INCLUDE_DIRS})
-            endif()
-        else()
-            find_package(LibXml2 REQUIRED)
-        endif()
+        find_package(LibXml2 REQUIRED)
     endif()
-    restore_wasm_sysroot()
 endif()
 
 if(IFCXML_SUPPORT)
@@ -486,335 +358,18 @@ if(IFCXML_SUPPORT)
 endif()
 
 if(BUILD_IFCGEOM)
-    if(MSVC AND NOT LibXml2_DIR)
-        add_debug_variants(LIBXML2_LIBRARIES "${LIBXML2_LIBRARIES}" d)
-    endif()
-
     # Open CASCADE
     if(WITH_OPENCASCADE)
-    if(OCC_INCLUDE_DIR)
-        set(OCC_INCLUDE_DIR ${OCC_INCLUDE_DIR} CACHE FILEPATH "Open CASCADE header files")
-        message(STATUS "Looking for Open CASCADE include files in: ${OCC_INCLUDE_DIR}")
-    endif()
-
-    if(OCC_LIBRARY_DIR)
-        set(OCC_LIBRARY_DIR ${OCC_LIBRARY_DIR} CACHE FILEPATH "Open CASCADE library files")
-        message(STATUS "Looking for Open CASCADE library files in: ${OCC_LIBRARY_DIR}")
-    endif()
-
-    # No specific paths specified, try to find package.
-    if(OCC_INCLUDE_DIR AND OCC_LIBRARY_DIR)
-        message(
-            STATUS
-            "Using provided OCC_INCLUDE_DIR ('${OCC_INCLUDE_DIR}') "
-            "and OCC_LIBRARY_DIR ('${OCC_LIBRARY_DIR}')."
-        )
-        # Parse OCC_VERSION_STRING.
-        file(STRINGS ${OCC_INCLUDE_DIR}/Standard_Version.hxx OCC_MAJOR
-            REGEX "#define OCC_VERSION_MAJOR.*"
-        )
-        string(REGEX MATCH "[0-9]+" OCC_MAJOR ${OCC_MAJOR})
-        file(STRINGS ${OCC_INCLUDE_DIR}/Standard_Version.hxx OCC_MINOR
-            REGEX "#define OCC_VERSION_MINOR.*"
-        )
-        string(REGEX MATCH "[0-9]+" OCC_MINOR ${OCC_MINOR})
-        file(STRINGS ${OCC_INCLUDE_DIR}/Standard_Version.hxx OCC_MAINT
-            REGEX "#define OCC_VERSION_MAINTENANCE.*"
-        )
-        string(REGEX MATCH "[0-9]+" OCC_MAINT ${OCC_MAINT})
-        set(OCC_VERSION_STRING "${OCC_MAJOR}.${OCC_MINOR}.${OCC_MAINT}")
-    elseif(NOT OCC_INCLUDE_DIR AND NOT OCC_LIBRARY_DIR)
-        # OCE is not supported for find_package, because it's using a different name (`oce`)
-        # and also has an odd directory structure (install/lib/oce-0.18/*.cmake).
-        find_package(OpenCASCADE CONFIG REQUIRED)
-        set(OCC_INCLUDE_DIR ${OpenCASCADE_INCLUDE_DIR})
-        # Do not use OpenCASCADE_LIBRARY_DIR for OCC_LIBRARY_DIR - check target property explicitly.
-        # On Windows there is a case with OpenCASCADE_LIBRARY_DIR points to `lib` folder,
-        # while TKernel is actually in `libi`.
-        get_target_property(TKERNEL_LIB_PATH TKernel LOCATION)
-        get_filename_component(OCC_LIBRARY_DIR "${TKERNEL_LIB_PATH}" DIRECTORY)
-        set(OCC_VERSION_STRING ${OpenCASCADE_VERSION})
-        message(
-            STATUS
-            "Found Open CASCADE package at '${OpenCASCADE_DIR}', "
-            "deducing from it OCC_INCLUDE_DIR: '${OCC_INCLUDE_DIR}' "
-            "and OCC_LIBRARY_DIR: '${OCC_LIBRARY_DIR}'."
-        )
-    else()
-        message(
-            FATAL_ERROR
-            "Couldn't find Open CASCADE installation. "
-            "Either both OCC_INCLUDE_DIR ('${OCC_INCLUDE_DIR}') and OCC_LIBRARY_DIR ('${OCC_LIBRARY_DIR}') "
-            "must be specified or OpenCASCADE package should be discoverable. "
-            "If you're using OCE, then providing a package is not available "
-            "and you need to provide OCE_INCLUDE_DIR and OCE_LIBRARY_DIR directly."
-        )
-    endif()
-
-    set(
-        OPENCASCADE_LIBRARY_NAMES
-        TKernel TKMath TKBRep TKGeomBase TKGeomAlgo TKG3d TKG2d TKShHealing TKTopAlgo TKMesh TKPrim TKBool TKBO
-        TKFillet TKXSBase TKOffset TKHLR
-
-        # @todo investigate the exact conditions when this is necessary
-        TKBin
-    )
-
-    if(OCC_VERSION_STRING VERSION_LESS 7.8.0)
-        list(APPEND OPENCASCADE_LIBRARY_NAMES  TKIGES TKSTEPBase TKSTEPAttr TKSTEP209 TKSTEP)
-    else(OCC_VERSION_STRING VERSION_LESS 7.8.0)
-        list(APPEND OPENCASCADE_LIBRARY_NAMES TKDESTEP TKDEIGES)
-    endif(OCC_VERSION_STRING VERSION_LESS 7.8.0)
-
-    clear_wasm_sysroot()
-    find_library(libTKernel NAMES TKernel TKerneld PATHS ${OCC_LIBRARY_DIR} NO_DEFAULT_PATH)
-    restore_wasm_sysroot()
-
-    if(libTKernel)
-        message(STATUS "Required Open Cascade Library files found")
-    else()
-        message(
-            FATAL_ERROR
-            "Unable to find Open Cascade library files in OCC_LIBRARY_DIR ('${OCC_LIBRARY_DIR}'), aborting"
-        )
-    endif()
-
-    # Use the found libTKernel as a template for all other OCC libraries
-    # TODO Extract this into macro/function
-    foreach(lib ${OPENCASCADE_LIBRARY_NAMES})
-        # Make sure we'll handle the Windows/MSVC debug postfix convention too.
-        string(REPLACE TKerneld "${lib}" lib_path "${libTKernel}")
-        string(REPLACE TKernel "${lib}" lib_path "${lib_path}")
-        list(APPEND OPENCASCADE_LIBRARIES "${lib_path}")
-    endforeach()
-
-    if(MSVC)
-        add_definitions(-DHAVE_NO_DLL)
-        add_debug_variants(OPENCASCADE_LIBRARIES "${OPENCASCADE_LIBRARIES}" d)
-    endif()
-
-    if(WIN32)
-        # OCC might require linking to Winsock depending on the version and build configuration
-        list(APPEND OPENCASCADE_LIBRARIES ws2_32.lib)
-    endif()
-
-    # Make sure cross-referenced symbols between static OCC libraries get
-    # resolved. Also add thread and rt libraries.
-    get_filename_component(libTKernelExt ${libTKernel} EXT)
-    if("${libTKernelExt}" STREQUAL ".a")
-        set(OCCT_STATIC ON)
-    endif()
-
-    if(OCCT_STATIC)
-        find_package(Threads)
-
-        if(WASM_BUILD)
-            set(OPENCASCADE_LIBRARIES ${OPENCASCADE_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
-        else()
-            # OPENCASCADE_LIBRARIES repeated N times below in order to fix cyclic dependencies
-            # tfk: --start-group ... --end-group didn't work on the apple linker when last tested
-            if(APPLE)
-                set(OPENCASCADE_LIBRARIES ${OPENCASCADE_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
-            else()
-                set(OPENCASCADE_LIBRARIES -Wl,--start-group ${OPENCASCADE_LIBRARIES} -Wl,--end-group ${CMAKE_THREAD_LIBS_INIT})
-            endif()
-        endif()
-
-        if(NOT APPLE AND NOT WIN32)
-            set(OPENCASCADE_LIBRARIES ${OPENCASCADE_LIBRARIES} "rt")
-        endif()
-        if(NOT WIN32)
-            set(OPENCASCADE_LIBRARIES ${OPENCASCADE_LIBRARIES} "dl")
-        endif()
-    endif()
+        find_package(OpenCASCADE REQUIRED)
     endif(WITH_OPENCASCADE)
 endif(BUILD_IFCGEOM)
 
-if(COLLADA_SUPPORT AND (NOT OPENCOLLADA_INCLUDE_DIR AND NOT OPENCOLLADA_LIBRARY_DIR))
-    # If package is found, automatically sets
-    # OPENCOLLADA_INCLUDE_DIRS and OPENCOLLADA_LIBRARIES (list of targets, not paths).
-    find_package(OpenCOLLADA CONFIG)
-    if(OpenCOLLADA_DIR)
-        message(STATUS "Found OpenCOLLADA: '${OpenCOLLADA_DIR}'.")
-        set(OPENCOLLADA_FOUND TRUE)
-    else()
-        message(STATUS "OpenCOLLADA package not found, falling back to manual search.")
-    endif()
+if(COLLADA_SUPPORT)
+    find_package(OpenCOLLADA REQUIRED)
 endif()
-if(COLLADA_SUPPORT AND NOT OpenCOLLADA_DIR)
-    # Find OpenCOLLADA
-    if("${OPENCOLLADA_INCLUDE_DIR}" STREQUAL "")
-        message(STATUS "No OpenCOLLADA include directory specified")
-        set(OPENCOLLADA_INCLUDE_DIR "/usr/include/opencollada" CACHE FILEPATH "OpenCOLLADA header files")
-    else()
-        set(OPENCOLLADA_INCLUDE_DIR "${OPENCOLLADA_INCLUDE_DIR}" CACHE FILEPATH "OpenCOLLADA header files")
-    endif()
-
-    if("${OPENCOLLADA_LIBRARY_DIR}" STREQUAL "")
-        message(STATUS "No OpenCOLLADA library directory specified")
-        find_library(OPENCOLLADA_FRAMEWORK_LIB NAMES OpenCOLLADAFramework
-            PATHS /usr/lib64/opencollada /usr/lib/opencollada /usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib)
-        get_filename_component(OPENCOLLADA_LIBRARY_DIR ${OPENCOLLADA_FRAMEWORK_LIB} PATH)
-    endif()
-
-    find_library(OpenCOLLADAFramework NAMES OpenCOLLADAFramework OpenCOLLADAFrameworkd PATHS ${OPENCOLLADA_LIBRARY_DIR} NO_DEFAULT_PATH)
-
-    if(OpenCOLLADAFramework)
-        message(STATUS "OpenCOLLADA library files found")
-    else()
-        message(FATAL_ERROR "COLLADA_SUPPORT enabled, but unable to find OpenCOLLADA libraries. "
-            "Disable COLLADA_SUPPORT or fix OpenCOLLADA paths to proceed.")
-    endif()
-
-    set(OPENCOLLADA_LIBRARY_DIR "${OPENCOLLADA_LIBRARY_DIR}" CACHE FILEPATH "OpenCOLLADA library files")
-
-    set(OPENCOLLADA_INCLUDE_DIRS "${OPENCOLLADA_INCLUDE_DIR}/COLLADABaseUtils" "${OPENCOLLADA_INCLUDE_DIR}/COLLADAStreamWriter")
-
-    find_file(COLLADASWStreamWriter_h "COLLADASWStreamWriter.h" ${OPENCOLLADA_INCLUDE_DIRS})
-
-    if(COLLADASWStreamWriter_h)
-        message(STATUS "OpenCOLLADA header files found")
-        set(OPENCOLLADA_FOUND TRUE)
-
-        set(OPENCOLLADA_LIBRARY_NAMES
-            GeneratedSaxParser MathMLSolver OpenCOLLADABaseUtils OpenCOLLADAFramework OpenCOLLADASaxFrameworkLoader
-            OpenCOLLADAStreamWriter UTF buffer ftoa
-        )
-
-        # Use the found OpenCOLLADAFramework as a template for all other OpenCOLLADA libraries
-        foreach(lib ${OPENCOLLADA_LIBRARY_NAMES})
-            # Make sure we'll handle the Windows/MSVC debug postfix convention too.
-            string(REPLACE OpenCOLLADAFrameworkd "${lib}" lib_path "${OpenCOLLADAFramework}")
-            string(REPLACE OpenCOLLADAFramework "${lib}" lib_path "${lib_path}")
-            list(APPEND OPENCOLLADA_LIBRARIES "${lib_path}")
-        endforeach()
-
-        if("${PCRE_LIBRARY_DIR}" STREQUAL "")
-            if(WIN32)
-                find_library(pcre_library NAMES pcre pcred PATHS ${OPENCOLLADA_LIBRARY_DIR} NO_DEFAULT_PATH)
-            else()
-                find_library(pcre_library NAMES pcre PATHS ${OPENCOLLADA_LIBRARY_DIR})
-            endif()
-
-            get_filename_component(PCRE_LIBRARY_DIR ${pcre_library} PATH)
-        else()
-            find_library(pcre_library NAMES pcre pcred PATHS ${PCRE_LIBRARY_DIR} NO_DEFAULT_PATH)
-        endif()
-
-        if(pcre_library)
-            set(OPENCOLLADA_LIBRARY_DIR ${OPENCOLLADA_LIBRARY_DIR} ${PCRE_LIBRARY_DIR})
-
-            if(MSVC)
-                # Add release lib regardless whether release or debug found. Debug version will be appended below.
-                list(APPEND OPENCOLLADA_LIBRARIES "${PCRE_LIBRARY_DIR}/pcre.lib")
-            else()
-                list(APPEND OPENCOLLADA_LIBRARIES "${pcre_library}")
-            endif()
-        else()
-            message(FATAL_ERROR "COLLADA_SUPPORT enabled, but unable to find PCRE. "
-                "Disable COLLADA_SUPPORT or fix PCRE_LIBRARY_DIR path to proceed.")
-        endif()
-
-        if(MSVC)
-            add_debug_variants(OPENCOLLADA_LIBRARIES "${OPENCOLLADA_LIBRARIES}" d)
-        endif()
-    else()
-        message(FATAL_ERROR "COLLADA_SUPPORT enabled, but unable to find OpenCOLLADA headers. "
-            "Disable COLLADA_SUPPORT or fix OpenCOLLADA paths to proceed.")
-    endif()
-endif(COLLADA_SUPPORT AND NOT OpenCOLLADA_DIR)
-if(COLLADA_SUPPORT AND OPENCOLLADA_FOUND)
-    add_definitions(-DWITH_OPENCOLLADA)
-    set(SWIG_DEFINES ${SWIG_DEFINES} -DWITH_OPENCOLLADA)
-endif()
-
 
 if(HDF5_SUPPORT)
-    if("${HDF5_INCLUDE_DIR}" STREQUAL "")
-        message(STATUS "No HDF5 include directory specified")
-    else()
-        set(HDF5_INCLUDE_DIR "${HDF5_INCLUDE_DIR}" CACHE FILEPATH "HDF5 header files")
-    endif()
-
-    if("${HDF5_LIBRARY_DIR}" STREQUAL "")
-        message(STATUS "No HDF5 library directory specified")
-    else()
-        set(HDF5_LIBRARY_DIR "${HDF5_LIBRARY_DIR}" CACHE FILEPATH "HDF5 library files")
-    endif()
-
-    if(HDF5_LIBRARY_DIR)
-        # result of the HDF5 ctest package
-        # Find zlib using cmake find_library. How should this be implemented?
-        # FIND_LIBRARY(NAMES z libz libz_debug PATHS ... NO_DEFAULT_PATH)
-        if("$ENV{CONDA_BUILD}" STREQUAL "")
-            # result of the HDF5 ctest package
-            if(WIN32)
-                set(zlib_post lib)
-                set(lib_ext lib)
-            else()
-                set(lib_ext a)
-            endif()
-
-            if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
-                set(debug_postfix "_debug")
-            endif()
-
-            set(HDF5_LIBRARIES
-                "${HDF5_LIBRARY_DIR}/libhdf5_cpp${debug_postfix}.${lib_ext}"
-                "${HDF5_LIBRARY_DIR}/libhdf5${debug_postfix}.${lib_ext}"
-                "${HDF5_LIBRARY_DIR}/libz${zlib_post}${debug_postfix}.${lib_ext}"
-                "${HDF5_LIBRARY_DIR}/libsz${debug_postfix}.${lib_ext}"
-                "${HDF5_LIBRARY_DIR}/libaec${debug_postfix}.${lib_ext}"
-            )
-
-        else()
-            message(STATUS "Packaging hdf5 and zlib for conda distribution")
-
-            if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-                # macOS
-                set(zlib_post libz)
-                set(lib_ext dylib)
-                set(HDF5_LIBRARIES
-                "${HDF5_LIBRARY_DIR}/libhdf5_cpp.${lib_ext}"
-                "${HDF5_LIBRARY_DIR}/libhdf5.${lib_ext}"
-                "${HDF5_LIBRARY_DIR}/${zlib_post}.${lib_ext}"
-            )
-            else()
-                # linux and windows
-                # Find HDF5 package
-                find_package(HDF5 REQUIRED COMPONENTS C CXX)
-                # Find ZLIB package
-                find_package(ZLIB REQUIRED)
-                # Include directories
-                include_directories(${HDF5_INCLUDE_DIRS} ${ZLIB_INCLUDE_DIRS})
-                # Link libraries
-                set(HDF5_LIBRARIES ${HDF5_LIBRARIES} ${ZLIB_LIBRARIES})
-                message(STATUS "HDF5 libraries: ${HDF5_LIBRARIES}")
-            endif()
-        endif()
-    endif()
-
-    if(NOT HDF5_INCLUDE_DIR OR NOT HDF5_LIBRARY_DIR)
-        # First try to find it as a config.
-        find_package(HDF5 CONFIG)
-        if(HDF5_DIR)
-            message(STATUS "HDF5: found config at '${HDF5_DIR}'.")
-            set(HDF5_LIBRARIES hdf5_cpp-static)
-        else()
-            # If it failed, still try to find as a module.
-            # E.g. on Ubuntu `libhdf5-dev` doesn't provie hdf5-config.cmake.
-            # Will automatically fill HDF5_LIBRARIES and HDF5_INCLUDE_DIR.
-            find_package(HDF5 COMPONENTS CXX)
-            if(NOT HDF5_INCLUDE_DIR)
-                message(
-                    FATAL_ERROR
-                    "HDF5_INCLUDE_DIR is not provided (current value: '${HDF5_INCLUDE_DIR}'). "
-                    "HDF5_LIBRARY_DIR is not provided (current value: '${HDF5_LIBRARY_DIR}'). "
-                    "Also could not find HDF5 package (neither module or config)."
-                )
-            endif()
-        endif()
-    endif()
+    find_package(HDF5 REQUIRED COMPONENTS C CXX)
 
     add_definitions(-DWITH_HDF5)
     set(SWIG_DEFINES ${SWIG_DEFINES} -DWITH_HDF5)
@@ -931,25 +486,12 @@ else()
 endif(MSVC)
 
 
-# Ensure other dependencies are provided.
-if(NOT EXISTS "${EIGEN_DIR}")
-    find_package(Eigen3 CONFIG)
-    if(Eigen3_DIR)
-        message(STATUS "Eigen3: found config at '${Eigen3_DIR}'.")
-    else()
-        message(
-            FATAL_ERROR
-            "EIGEN_DIR is not provided or provided folder doesn't exist (current value: '${EIGEN_DIR}'). "
-            "Also couldn't find Eigen3 as a package."
-        )
-    endif()
-    link_libraries(Eigen3::Eigen)
-endif()
+find_package(Eigen3 REQUIRED)
+link_libraries(Eigen3::Eigen)
 
-
-include_directories(${INCLUDE_DIRECTORIES} ${OCC_INCLUDE_DIR} ${OPENCOLLADA_INCLUDE_DIRS}
+include_directories(${INCLUDE_DIRECTORIES} ${OPENCOLLADA_INCLUDE_DIRS}
 	${Boost_INCLUDE_DIRS} ${LIBXML2_INCLUDE_DIR} ${JSON_INCLUDE_DIR} ${HDF5_INCLUDE_DIR}
-    ${EIGEN_DIR} ${CGAL_INCLUDE_DIR} ${GMP_INCLUDE_DIR} ${MPFR_INCLUDE_DIR} ${USD_INCLUDE_DIR}
+    ${CGAL_INCLUDE_DIR} ${GMP_INCLUDE_DIR} ${MPFR_INCLUDE_DIR} ${USD_INCLUDE_DIR}
     ${TBB_INCLUDE_DIR}
 )
 
@@ -1038,6 +580,7 @@ if(NOT Boost_VERSION LESS 105800)
     add_definitions(-DBOOST_OPTIONAL_USE_OLD_DEFINITION_OF_NONE)
 endif()
 
+add_subdirectory(../src/ifcparse ifcparse)
 set(IFCOPENSHELL_LIBRARIES IfcParse)
 
 if(BUILD_IFCGEOM)
@@ -1048,84 +591,31 @@ if(BUILD_IFCGEOM)
 endif()
 
 if(BUILD_CONVERT OR BUILD_IFCPYTHON)
-	foreach(schema ${SCHEMA_VERSIONS})
-		set(SERIALIZER_SCHEMA_LIBRARIES ${SERIALIZER_SCHEMA_LIBRARIES} Serializers_ifc${schema})
-	endforeach()
-	set(IFCOPENSHELL_LIBRARIES ${IFCOPENSHELL_LIBRARIES} Serializers ${SERIALIZER_SCHEMA_LIBRARIES})
-
-    if(WITH_OPENCASCADE)
+	if(WITH_OPENCASCADE)
         foreach(schema ${SCHEMA_VERSIONS})
             set(GEOM_SERIALIZER_SCHEMA_LIBRARIES ${GEOM_SERIALIZER_SCHEMA_LIBRARIES} GeometrySerializers_ifc${schema})
 
-            add_library(geometry_serializer_ifc${schema} STATIC ../src/ifcgeom/Serialization/schema/Serialization.cpp)
+            add_library(geometry_serializer_ifc${schema} OBJECT ../src/ifcgeom/Serialization/schema/Serialization.cpp)
             set_target_properties(geometry_serializer_ifc${schema} PROPERTIES COMPILE_FLAGS "-DIFC_GEOMSERIALIZATION_EXPORTS -DIfcSchema=Ifc${schema}")
-            target_link_libraries(geometry_serializer_ifc${schema} ${OPENCASCADE_LIBRARIES})
+            target_link_libraries(geometry_serializer_ifc${schema} ${OpenCASCADE_LIBRARIES})
             list(APPEND geometry_serializer_libraries geometry_serializer_ifc${schema})
         endforeach()
 
-        add_library(geometry_serializer STATIC ../src/ifcgeom/Serialization/Serialization.h ../src/ifcgeom/Serialization/Serialization.cpp)
+        add_library(geometry_serializer OBJECT ../src/ifcgeom/Serialization/Serialization.h ../src/ifcgeom/Serialization/Serialization.cpp)
         set_target_properties(geometry_serializer PROPERTIES COMPILE_FLAGS "-DIFC_GEOMSERIALIZATION_EXPORTS")
         target_link_libraries(geometry_serializer ${geometry_serializer_libraries} IfcParse)
         set(IFCOPENSHELL_LIBRARIES ${IFCOPENSHELL_LIBRARIES} geometry_serializer ${geometry_serializer_libraries})
     endif()
 endif()
 
-# IfcParse
-file(GLOB IFCPARSE_H_FILES_ALL ../src/ifcparse/*.h)
-file(GLOB IFCPARSE_CPP_FILES_ALL ../src/ifcparse/*.cpp)
-
-foreach(file ${IFCPARSE_H_FILES_ALL})
-    get_filename_component(filename "${file}" NAME)
-
-    if(NOT "${filename}" MATCHES "[0-9]")
-        list(APPEND IFCPARSE_H_FILES "${file}")
-    endif()
-endforeach()
-
-foreach(file ${IFCPARSE_CPP_FILES_ALL})
-    get_filename_component(filename "${file}" NAME)
-
-    if(NOT "${filename}" MATCHES "[0-9]")
-        list(APPEND IFCPARSE_CPP_FILES "${file}")
-    endif()
-endforeach()
-
-foreach(schema ${SCHEMA_VERSIONS})
-    list(APPEND IFCPARSE_H_FILES
-        ../src/ifcparse/Ifc${schema}.h
-        ../src/ifcparse/Ifc${schema}-definitions.h
-    )
-    list(APPEND IFCPARSE_CPP_FILES
-        ../src/ifcparse/Ifc${schema}.cpp
-        ../src/ifcparse/Ifc${schema}-schema.cpp
-    )
-endforeach()
-
-set(IFCPARSE_FILES ${IFCPARSE_CPP_FILES} ${IFCPARSE_H_FILES})
-
-add_library(IfcParse ${IFCPARSE_FILES})
-target_link_libraries(IfcParse ${STDCPPFS})
-set_target_properties(IfcParse PROPERTIES COMPILE_FLAGS -DIFC_PARSE_EXPORTS VERSION "${PROJECT_VERSION}" SOVERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}")
-
-if(LibXml2_DIR)
-    target_compile_definitions(IfcParse PRIVATE ${LIBXML2_DEFINITIONS})
-endif()
-if(WASM_BUILD)
-    target_link_libraries(IfcParse ${BCRYPT_LIBRARIES} ${LIBXML2_LIBRARIES})
-else()
-    target_link_libraries(IfcParse ${Boost_LIBRARIES} ${BCRYPT_LIBRARIES} ${LIBXML2_LIBRARIES})
-endif()
-
 if(BUILD_IFCGEOM)
     # CGAL::CGAL target already has dependencies resolved.
     if(WITH_CGAL AND CGAL_DIR)
         set(CGAL_LIBRARIES CGAL::CGAL)
         message(STATUS "Using found CGAL package at '${CGAL_DIR}'")
     elseif(WITH_CGAL AND NOT CGAL_DIR)
-	clear_wasm_sysroot()
         find_library(libGMP NAMES gmp mpir PATHS ${GMP_LIBRARY_DIR} NO_DEFAULT_PATH)
         find_library(libMPFR NAMES mpfr PATHS ${MPFR_LIBRARY_DIR} NO_DEFAULT_PATH)
-	restore_wasm_sysroot()
         if(NOT libGMP)
             message(FATAL_ERROR "Unable to find GMP library files, aborting")
         endif()
@@ -1137,33 +627,8 @@ if(BUILD_IFCGEOM)
         list(APPEND CGAL_LIBRARIES "${libGMP}")
     endif()
 
-    foreach(kernel ${GEOMETRY_KERNELS})
-        string(TOUPPER ${kernel} KERNEL_UPPER)
-        file(GLOB IFCGEOM_H_FILES ../src/ifcgeom/kernels/${kernel}/*.h)
-        file(GLOB IFCGEOM_CPP_FILES ../src/ifcgeom/kernels/${kernel}/*.cpp)
-        set(IFCGEOM_FILES ${IFCGEOM_CPP_FILES} ${IFCGEOM_H_FILES})
-
-        add_library(geometry_kernel_${kernel} ${IFCGEOM_FILES} ../src/ifcgeom/kernels/ifc_geomlibrary_api.h)
-        set_property(TARGET geometry_kernel_${kernel} APPEND PROPERTY COMPILE_FLAGS "-DIFC_GEOMLIBRARY_EXPORTS")
-        # needed?
-        # if(NOT WASM_BUILD)
-        # endif()
-        target_link_libraries(geometry_kernel_${kernel} ${${KERNEL_UPPER}_LIBRARIES} IfcGeom IfcParse)
-        list(APPEND kernel_libraries geometry_kernel_${kernel})
-
-        if(${kernel} STREQUAL "cgal")
-            set_property(TARGET geometry_kernel_${kernel} APPEND_STRING PROPERTY COMPILE_FLAGS " -DCGAL_HAS_THREADS")
-
-            add_library(geometry_kernel_${kernel}_simple ${IFCGEOM_FILES})
-            set_target_properties(geometry_kernel_${kernel}_simple PROPERTIES COMPILE_FLAGS "-DIFC_GEOMLIBRARY_EXPORTS -DIFOPSH_SIMPLE_KERNEL -DCGAL_HAS_THREADS")
-            # needed?
-            # if(NOT WASM_BUILD)
-            # endif()
-            target_link_libraries(geometry_kernel_${kernel}_simple ${${KERNEL_UPPER}_LIBRARIES} IfcGeom IfcParse)
-            list(APPEND kernel_libraries geometry_kernel_${kernel}_simple)
-        endif()
-    endforeach()
-
+    add_subdirectory(../src/ifcgeom ifcgeom)
+    
     # IfcGeom
     foreach(schema ${SCHEMA_VERSIONS})
         file(GLOB IFCGEOM_I_FILES ../src/ifcgeom/mapping/*.i)
@@ -1171,12 +636,9 @@ if(BUILD_IFCGEOM)
         file(GLOB IFCGEOM_CPP_FILES ../src/ifcgeom/mapping/*.cpp)
         set(IFCGEOM_FILES ${IFCGEOM_CPP_FILES} ${IFCGEOM_H_FILES} ${IFCGEOM_I_FILES})
 
-        add_library(geometry_mapping_ifc${schema} STATIC ${IFCGEOM_FILES})
+        add_library(geometry_mapping_ifc${schema} OBJECT ${IFCGEOM_FILES})
         set_target_properties(geometry_mapping_ifc${schema} PROPERTIES COMPILE_FLAGS "-DIFC_GEOM_EXPORTS -DIfcSchema=Ifc${schema}")
         target_link_libraries(geometry_mapping_ifc${schema} IfcParse)
-        if (NOT BUILD_SHARED_LIBS)
-            target_link_libraries(geometry_mapping_ifc${schema} IfcGeom)
-        endif()
         list(APPEND mapping_libraries geometry_mapping_ifc${schema})
     endforeach()
 
@@ -1192,134 +654,22 @@ if(BUILD_IFCGEOM)
         find_package(Threads)
     endif()
 
-    target_link_libraries(IfcGeom IfcParse ${mapping_libraries} ${CMAKE_THREAD_LIBS_INIT})
+    target_link_libraries(IfcGeom IfcParse ${mapping_libraries} ${CMAKE_THREAD_LIBS_INIT} ${OpenCASCADE_LIBRARIES})
 
 endif(BUILD_IFCGEOM)
 
 if(BUILD_CONVERT OR BUILD_IFCPYTHON)
-    # Serializers
-    file(GLOB SERIALIZERS_H_FILES ../src/serializers/*.h)
-    file(GLOB SERIALIZERS_CPP_FILES ../src/serializers/*.cpp)
-    set(SERIALIZERS_FILES ${SERIALIZERS_H_FILES} ${SERIALIZERS_CPP_FILES})
-    file(GLOB SERIALIZERS_S_H_FILES ../src/serializers/schema_dependent/*.h)
-    file(GLOB SERIALIZERS_S_CPP_FILES ../src/serializers/schema_dependent/*.cpp)
-    set(SERIALIZERS_S_FILES ${SERIALIZERS_S_H_FILES} ${SERIALIZERS_S_CPP_FILES})
-
-    foreach(schema ${SCHEMA_VERSIONS})
-        add_library(Serializers_ifc${schema} STATIC ${SERIALIZERS_S_FILES})
-        set_target_properties(Serializers_ifc${schema} PROPERTIES COMPILE_FLAGS "-DSERIALIZERS_EXPORTS -DIfcSchema=Ifc${schema}")
-
-        if(WASM_BUILD)
-            target_link_libraries(Serializers_ifc${schema} ${HDF5_LIBRARIES})
-        else()
-            target_link_libraries(Serializers_ifc${schema} IfcGeom ${OPENCASCADE_LIBRARIES} ${HDF5_LIBRARIES})
-        endif()
-    endforeach()
-
-    add_library(Serializers ${SERIALIZERS_FILES})
-    set_target_properties(Serializers PROPERTIES COMPILE_FLAGS "-DSERIALIZERS_EXPORTS" VERSION "${PROJECT_VERSION}" SOVERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}")
-
-    if(WITH_PROJ)
-        target_compile_definitions(Serializers PRIVATE "WITH_PROJ")
-        if (PROJ_STATIC)
-            target_compile_definitions(Serializers PRIVATE "PROJ_DLL=")
-        endif()
-        target_include_directories(Serializers PRIVATE ${PROJ_INCLUDE_DIR} ${SQLITE_INCLUDE_DIR})
-        target_link_libraries(Serializers ${PROJ_LIBRARIES})
-    endif()
-
-    target_link_libraries(Serializers ${SERIALIZER_SCHEMA_LIBRARIES} ${OPENCOLLADA_LIBRARIES} ${USD_LIBRARIES} IfcGeom ${OPENCASCADE_LIBRARIES} ${kernel_libraries} IfcParse)
-
+    add_subdirectory(../src/serializers serializers)
+    set(IFCOPENSHELL_LIBRARIES ${IFCOPENSHELL_LIBRARIES} ${SERIALIZER_SCHEMA_LIBRARIES})
 endif(BUILD_CONVERT OR BUILD_IFCPYTHON)
 
 if(BUILD_CONVERT)
-    if(WITH_CGAL AND CITYJSON_SUPPORT)
-        message(STATUS "Building CityJSON support")
-        set(CITYJSON_CONVERT_FILES
-            ../src/ifcconvert/cityjson/geobim.cpp
-            ../src/ifcconvert/cityjson/global_execution_context.cpp
-            ../src/ifcconvert/cityjson/opening_collector.cpp
-            ../src/ifcconvert/cityjson/processing.cpp
-            ../src/ifcconvert/cityjson/radius_comparison.cpp
-            ../src/ifcconvert/cityjson/radius_execution_context.cpp
-            ../src/ifcconvert/cityjson/settings.cpp
-            ../src/ifcconvert/cityjson/writer.cpp
-        )
-        add_library(cityjson_converter ${CITYJSON_CONVERT_FILES})
-        target_include_directories(cityjson_converter PRIVATE ../src)
-        set(IFCOPENSHELL_LIBRARIES ${IFCOPENSHELL_LIBRARIES} cityjson_converter)
-
-        install(TARGETS cityjson_converter
-            ARCHIVE DESTINATION ${LIBDIR}
-            LIBRARY DESTINATION ${LIBDIR}
-        )
-
-        add_executable(cityjson_converter_exe ${CITYJSON_CONVERT_FILES})
-        set_target_properties(cityjson_converter_exe PROPERTIES COMPILE_FLAGS "-DCITYJSON_EXECUTABLE")
-        target_include_directories(cityjson_converter_exe PRIVATE ../src)
-        target_link_libraries(cityjson_converter_exe ${IFCOPENSHELL_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${Boost_LIBRARIES} ${HDF5_LIBRARIES} ${USD_LIBRARIES})
-
-        install(TARGETS cityjson_converter_exe
-            RUNTIME DESTINATION ${BINDIR}
-        )
-    endif()
-
-    # IfcConvert
-	if (WITH_RELATIONSHIP_VALIDATION)
-		file(GLOB IFCCONVERT_CPP_FILES ../src/ifcconvert/*.cpp)
-		file(GLOB IFCCONVERT_H_FILES ../src/ifcconvert/*.h)
-	else()
-		file(GLOB IFCCONVERT_CPP_FILES ../src/ifcconvert/IfcConvert.cpp)
-		file(GLOB IFCCONVERT_H_FILES)
-	endif()
-    set(IFCCONVERT_FILES ${IFCCONVERT_CPP_FILES} ${IFCCONVERT_H_FILES})
-    add_executable(IfcConvert ${IFCCONVERT_FILES})
-
-    target_link_libraries(IfcConvert IfcGeom IfcParse Serializers ${kernel_libraries} ${OPENCASCADE_LIBRARIES} ${Boost_LIBRARIES} ${HDF5_LIBRARIES} ${USD_LIBRARIES})
-	if (WITH_RELATIONSHIP_VALIDATION)
-        set_property(TARGET IfcConvert APPEND_STRING PROPERTY COMPILE_FLAGS " -DWITH_RELATIONSHIP_VALIDATION")
-    endif()
-
-    if(WITH_CGAL AND CITYJSON_SUPPORT)
-        set_property(TARGET IfcConvert APPEND_STRING PROPERTY COMPILE_FLAGS " -DIFOPSH_WITH_CITYJSON")
-    endif()
-
-    if((NOT WIN32) AND BUILD_SHARED_LIBS)
-        # Only set RPATHs when building shared libraries (i.e. IfcParse and
-        # IfcGeom are dynamically linked). Not necessarily a perfect solution
-        # but probably a good indication of whether RPATHs are necessary.
-        SET_INSTALL_RPATHS(IfcConvert "${IFCOPENSHELL_LIBRARY_DIR};${OCC_LIBRARY_DIR};${Boost_LIBRARY_DIRS};${OPENCOLLADA_LIBRARY_DIR}")
-    endif()
-
-    install(TARGETS IfcConvert
-        ARCHIVE DESTINATION ${LIBDIR}
-        LIBRARY DESTINATION ${LIBDIR}
-        RUNTIME DESTINATION ${BINDIR}
-    )
+    add_subdirectory(../src/ifcconvert ifcconvert)
 endif(BUILD_CONVERT)
 
 # IfcGeomServer
 if(BUILD_GEOMSERVER)
-
-    if(NOT WITH_OPENCASCADE)
-        message(FATAL_ERROR "Open CASCADE is required to build IfcGeomServer.")
-    endif()
-
-    file(GLOB CPP_FILES ../src/ifcgeomserver/*.cpp)
-    file(GLOB H_FILES ../src/ifcgeomserver/*.h)
-    set(SOURCE_FILES ${CPP_FILES} ${H_FILES})
-    add_executable(IfcGeomServer ${SOURCE_FILES})
-    target_link_libraries(IfcGeomServer IfcGeom IfcParse Serializers ${kernel_libraries} ${OPENCASCADE_LIBRARIES} ${Boost_LIBRARIES})
-
-    if((NOT WIN32) AND BUILD_SHARED_LIBS)
-        SET_INSTALL_RPATHS(IfcGeomServer "${IFCOPENSHELL_LIBRARY_DIR};${OCC_LIBRARY_DIR};${Boost_LIBRARY_DIRS}")
-    endif()
-
-    install(TARGETS IfcGeomServer
-        ARCHIVE DESTINATION ${LIBDIR}
-        LIBRARY DESTINATION ${LIBDIR}
-        RUNTIME DESTINATION ${BINDIR}
-    )
+    add_subdirectory(../src/ifcgeomserver ifcgeomserver)
 endif(BUILD_GEOMSERVER)
 
 if(ADD_COMMIT_SHA)
@@ -1406,17 +756,6 @@ if(BUILD_QTVIEWER)
     add_subdirectory(../src/qtviewer qtviewer)
 endif()
 
-# CMake installation targets
-install(FILES ${IFCPARSE_H_FILES}
-	DESTINATION ${INCLUDEDIR}/ifcparse
-)
-
-install(TARGETS IfcParse
-	ARCHIVE DESTINATION ${LIBDIR}
-	LIBRARY DESTINATION ${LIBDIR}
-	RUNTIME DESTINATION ${BINDIR}
-)
-
 if(BUILD_IFCGEOM)
     # install(FILES ${IFCGEOM_H_FILES}
     #     DESTINATION ${INCLUDEDIR}/ifcgeom
@@ -1445,22 +784,6 @@ if(BUILD_IFCGEOM)
     )
 endif(BUILD_IFCGEOM)
 
-if(BUILD_CONVERT)
-    install(TARGETS Serializers ${SERIALIZER_SCHEMA_LIBRARIES}
-        ARCHIVE DESTINATION ${LIBDIR}
-        LIBRARY DESTINATION ${LIBDIR}
-        RUNTIME DESTINATION ${BINDIR}
-    )
-
-    install(FILES ${SERIALIZERS_H_FILES}
-        DESTINATION ${INCLUDEDIR}/serializers/
-    )
-
-    install(FILES ${SERIALIZERS_S_H_FILES}
-        DESTINATION ${INCLUDEDIR}/serializers/schema_dependent
-    )
-endif(BUILD_CONVERT)
-
 if(BUILD_CONVERT OR BUILD_IFCPYTHON)
     if(WITH_OPENCASCADE)
         install(TARGETS geometry_serializer ${geometry_serializer_libraries}

cmake/CMakePresets.json

@@ -17,7 +17,6 @@
         "IFCXML_SUPPORT": "ON",
         "HDF5_SUPPORT": "ON",
         "SCHEMA_VERSIONS": "4x3_add2",
-        "CITYJSON_SUPPORT": "OFF",
         "CMAKE_GENERATOR_PLATFORM": "",
         "CMAKE_GENERATOR_TOOLSET": ""
       }

cmake/FindCGAL.cmake

@@ -0,0 +1,42 @@
+#
+# Input variables:
+# - `CGAL_INCLUDE_DIR`
+# - `CGAL_LIBRARY_DIR`
+# - `GMP_INCLUDE_DIR`
+# - `GMP_LIBRARY_DIR`
+# - `MPFR_INCLUDE_DIR`
+# - `MPFR_LIBRARY_DIR`
+# If input variables are not specified, try to find HDF5 config.
+# Input variables could also be provided as environment variables.
+#
+# Output variables:
+# - `CGAL_INCLUDE_DIR`
+#
+
+UNIFY_ENVVARS_AND_CACHE(CGAL_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(CGAL_LIBRARY_DIR)
+UNIFY_ENVVARS_AND_CACHE(GMP_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(GMP_LIBRARY_DIR)
+UNIFY_ENVVARS_AND_CACHE(MPFR_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(MPFR_LIBRARY_DIR)
+
+if(NOT CGAL_INCLUDE_DIR)
+    # CGAL is not respecting default Boost_USE_STATIC_LIBS value
+    # and sometiems it's getting in the way.
+    if(NOT DEFINED Boost_USE_STATIC_LIBS)
+        set(CGAL_Boost_USE_STATIC_LIBS OFF)
+    else()
+        set(CGAL_Boost_USE_STATIC_LIBS "${Boost_USE_STATIC_LIBS}")
+    endif()
+    find_package(CGAL CONFIG REQUIRED)
+    if(NOT CGAL_DIR)
+        message(
+            FATAL_ERROR
+            "CGAL_SUPPORT enabled, but CGAL_INCLUDE_DIR wasn't provided and CGAL package couldn't be found."
+        )
+    endif()
+    message(STATUS "CGAL: found config at '${CGAL_DIR}'.")
+endif()
+
+add_definitions(-DIFOPSH_WITH_CGAL)
+set(SWIG_DEFINES ${SWIG_DEFINES} -DIFOPSH_WITH_CGAL)

cmake/FindEigen3.cmake

@@ -0,0 +1,27 @@
+#
+# Input variables:
+# - `EIGEN_DIR`
+# If input variables are not specified, try to find Eigen3 config.
+# Input variables could also be provided as environment variables.
+#
+# Output targets:
+# - `Eigen3::Eigen`
+
+UNIFY_ENVVARS_AND_CACHE(EIGEN_DIR)
+
+if(EXISTS "${EIGEN_DIR}")
+    # Mimic Eigen3Config.cmake target.
+    add_library(Eigen3::Eigen INTERFACE IMPORTED)
+    target_include_directories(Eigen3::Eigen INTERFACE "${EIGEN_DIR}")
+else()
+    find_package(Eigen3 CONFIG)
+    if(Eigen3_DIR)
+        message(STATUS "Eigen3: found config at '${Eigen3_DIR}'.")
+    else()
+        message(
+            FATAL_ERROR
+            "EIGEN_DIR is not provided or provided folder doesn't exist (current value: '${EIGEN_DIR}'). "
+            "Also couldn't find Eigen3 as a package."
+        )
+    endif()
+endif()

cmake/FindHDF5.cmake

@@ -0,0 +1,109 @@
+#
+# Input variables:
+# - `HDF5_INCLUDE_DIR`
+# - `HDF5_LIBRARY_DIR`
+# - `HDF5_LIBRARIES`
+# If input variables are not specified, try to find HDF5 config.
+# Input variables could also be provided as environment variables.
+#
+# Output variables:
+# - `HDF5_INCLUDE_DIR`
+# - `HDF5_LIBRARY_DIR`
+# - `HDF5_LIBRARIES`
+#
+
+UNIFY_ENVVARS_AND_CACHE(HDF5_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(HDF5_LIBRARY_DIR)
+UNIFY_ENVVARS_AND_CACHE(HDF5_LIBRARIES)
+
+# To avoid cyclic calls to this file
+list(REMOVE_ITEM CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR})
+
+if("${HDF5_INCLUDE_DIR}" STREQUAL "")
+    message(STATUS "No HDF5 include directory specified")
+else()
+    set(HDF5_INCLUDE_DIR "${HDF5_INCLUDE_DIR}" CACHE FILEPATH "HDF5 header files")
+endif()
+
+if("${HDF5_LIBRARY_DIR}" STREQUAL "")
+    message(STATUS "No HDF5 library directory specified")
+else()
+    set(HDF5_LIBRARY_DIR "${HDF5_LIBRARY_DIR}" CACHE FILEPATH "HDF5 library files")
+endif()
+
+if(HDF5_LIBRARY_DIR)
+    # result of the HDF5 ctest package
+    # Find zlib using cmake find_library. How should this be implemented?
+    # FIND_LIBRARY(NAMES z libz libz_debug PATHS ... NO_DEFAULT_PATH)
+    if("$ENV{CONDA_BUILD}" STREQUAL "")
+        # result of the HDF5 ctest package
+        if(WIN32)
+            set(zlib_post lib)
+            set(lib_ext lib)
+        else()
+            set(lib_ext a)
+        endif()
+
+        if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
+            set(debug_postfix "_debug")
+        endif()
+
+        set(HDF5_LIBRARIES
+            "${HDF5_LIBRARY_DIR}/libhdf5_cpp${debug_postfix}.${lib_ext}"
+            "${HDF5_LIBRARY_DIR}/libhdf5${debug_postfix}.${lib_ext}"
+            "${HDF5_LIBRARY_DIR}/libz${zlib_post}${debug_postfix}.${lib_ext}"
+            "${HDF5_LIBRARY_DIR}/libsz${debug_postfix}.${lib_ext}"
+            "${HDF5_LIBRARY_DIR}/libaec${debug_postfix}.${lib_ext}"
+        )
+
+    else()
+        message(STATUS "Packaging hdf5 and zlib for conda distribution")
+
+        if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+            # macOS
+            set(zlib_post libz)
+            set(lib_ext dylib)
+            set(HDF5_LIBRARIES
+                "${HDF5_LIBRARY_DIR}/libhdf5_cpp.${lib_ext}"
+                "${HDF5_LIBRARY_DIR}/libhdf5.${lib_ext}"
+                "${HDF5_LIBRARY_DIR}/${zlib_post}.${lib_ext}"
+            )
+        else()
+            # linux and windows
+            # Find HDF5 package
+            find_package(HDF5 REQUIRED COMPONENTS C CXX)
+            # Find ZLIB package
+            find_package(ZLIB REQUIRED)
+            # Include directories
+            include_directories(${HDF5_INCLUDE_DIRS} ${ZLIB_INCLUDE_DIRS})
+            # Link libraries
+            set(HDF5_LIBRARIES ${HDF5_LIBRARIES} ${ZLIB_LIBRARIES})
+            message(STATUS "HDF5 libraries: ${HDF5_LIBRARIES}")
+        endif()
+    endif()
+endif()
+
+if(NOT HDF5_INCLUDE_DIR OR NOT HDF5_LIBRARY_DIR)
+    # First try to find it as a config.
+    find_package(HDF5 CONFIG)
+    if(HDF5_DIR)
+        message(STATUS "HDF5: found config at '${HDF5_DIR}'.")
+        set(HDF5_LIBRARIES hdf5_cpp-static)
+    else()
+        # If it failed, still try to find as a module.
+        # E.g. on Ubuntu `libhdf5-dev` doesn't provie hdf5-config.cmake.
+        # Will automatically fill HDF5_LIBRARIES and HDF5_INCLUDE_DIR.
+        find_package(HDF5 COMPONENTS CXX)
+        if(NOT HDF5_INCLUDE_DIR)
+            message(
+                FATAL_ERROR
+                "HDF5_INCLUDE_DIR is not provided (current value: '${HDF5_INCLUDE_DIR}'). "
+                "HDF5_LIBRARY_DIR is not provided (current value: '${HDF5_LIBRARY_DIR}'). "
+                "Also could not find HDF5 package (neither module or config)."
+            )
+        endif()
+    endif()
+endif()
+
+# Restore module path.
+list(PREPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR})

cmake/FindLibXml2.cmake

@@ -0,0 +1,49 @@
+#
+# Input variables:
+# - `LIBXML2_INCLUDE_DIR`
+# - `LIBXML2_LIBRARIES`
+# If input variables are not specified, try to find LibXml2 config.
+# Input variables could also be provided as environment variables.
+#
+# Output variables:
+# - `LIBXML2_INCLUDE_DIR`
+# - `LIBXML2_LIBRARIES`
+#
+
+# To avoid cyclic calls to this file
+list(REMOVE_ITEM CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR})
+
+UNIFY_ENVVARS_AND_CACHE(LIBXML2_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(LIBXML2_LIBRARIES)
+
+if((NOT LIBXML2_INCLUDE_DIR AND NOT LIBXML2_LIBRARIES))
+    # First try config mode (probably works with vcpkg, Conan, macOS brew installs, but not on ubuntu 22.04)
+    # CONFIG is provided using root path, so no need to clear sysroot here.
+    find_package(LibXml2 QUIET CONFIG)
+
+    if(NOT LibXml2_FOUND)
+        # Fallback to CMake's builtin FindLibXml2 module (works on Ubuntu)
+        find_package(LibXml2 REQUIRED)
+    else()
+        message(STATUS "Found LibXml2 config: ${LibXml2_DIR}")
+    endif()
+
+    if(TARGET LibXml2::LibXml2)
+        # Config mode already gives us the target
+        set(LIBXML2_LIBRARIES LibXml2::LibXml2)
+        get_target_property(LIBXML2_INCLUDE_DIR LibXml2::LibXml2 INTERFACE_INCLUDE_DIRECTORIES)
+    else()
+        # Module mode (Ubuntu)
+        set(LIBXML2_LIBRARIES ${LibXml2_LIBRARIES})
+        set(LIBXML2_INCLUDE_DIR ${LibXml2_INCLUDE_DIRS})
+    endif()
+else()
+    find_package(LibXml2 REQUIRED)
+endif()
+
+if(MSVC AND NOT LibXml2_DIR)
+    add_debug_variants(LIBXML2_LIBRARIES "${LIBXML2_LIBRARIES}" d)
+endif()
+
+# Restore module path.
+list(PREPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR})

cmake/FindOpenCASCADE.cmake

@@ -0,0 +1,144 @@
+#
+# Input variables:
+# - `OCC_INCLUDE_DIR`
+# - `OCC_LIBRARY_DIR`
+# If input variables are not specified, try to find OpenCASCADE config.
+# Input variables could also be provided as environment variables.
+#
+# Output variables
+# - `OpenCASCADE_LIBRARIES`
+#
+
+UNIFY_ENVVARS_AND_CACHE(OCC_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(OCC_LIBRARY_DIR)
+
+if(OCC_INCLUDE_DIR)
+    set(OCC_INCLUDE_DIR ${OCC_INCLUDE_DIR} CACHE FILEPATH "Open CASCADE header files")
+    message(STATUS "Looking for Open CASCADE include files in: ${OCC_INCLUDE_DIR}")
+endif()
+
+if(OCC_LIBRARY_DIR)
+    set(OCC_LIBRARY_DIR ${OCC_LIBRARY_DIR} CACHE FILEPATH "Open CASCADE library files")
+    message(STATUS "Looking for Open CASCADE library files in: ${OCC_LIBRARY_DIR}")
+endif()
+
+
+if(NOT OCC_INCLUDE_DIR AND NOT OCC_LIBRARY_DIR)
+    # OCE is not supported for find_package, because it's using a different name (`oce`)
+    # and also has an odd directory structure (install/lib/oce-0.18/*.cmake).
+    # find_package creates variables:
+    # - `OpenCASCADE_INCLUDE_DIR`
+    # - `OpenCASCADE_LIBRARIES`
+
+    # OpenCASCADE may be built with VTK support. Try to find VTK first to avoid
+    # CMake errors when OpenCASCADE's config references VTK targets.
+    find_package(VTK QUIET)
+
+    find_package(OpenCASCADE CONFIG REQUIRED)
+    message(STATUS "Found OpenCASCADE config: ${OpenCASCADE_DIR}")
+    return()
+endif()
+
+# No specific paths specified, try to find package.
+if(OCC_INCLUDE_DIR AND OCC_LIBRARY_DIR)
+    message(
+        STATUS
+        "Using provided OCC_INCLUDE_DIR ('${OCC_INCLUDE_DIR}') "
+        "and OCC_LIBRARY_DIR ('${OCC_LIBRARY_DIR}')."
+    )
+    # Parse OCC_VERSION_STRING.
+    file(STRINGS ${OCC_INCLUDE_DIR}/Standard_Version.hxx OCC_MAJOR
+        REGEX "#define OCC_VERSION_MAJOR.*"
+    )
+    string(REGEX MATCH "[0-9]+" OCC_MAJOR ${OCC_MAJOR})
+    file(STRINGS ${OCC_INCLUDE_DIR}/Standard_Version.hxx OCC_MINOR
+        REGEX "#define OCC_VERSION_MINOR.*"
+    )
+    string(REGEX MATCH "[0-9]+" OCC_MINOR ${OCC_MINOR})
+    file(STRINGS ${OCC_INCLUDE_DIR}/Standard_Version.hxx OCC_MAINT
+        REGEX "#define OCC_VERSION_MAINTENANCE.*"
+    )
+    string(REGEX MATCH "[0-9]+" OCC_MAINT ${OCC_MAINT})
+    set(OCC_VERSION_STRING "${OCC_MAJOR}.${OCC_MINOR}.${OCC_MAINT}")
+else()
+    message(
+        FATAL_ERROR
+        "Couldn't find Open CASCADE installation. "
+        "Either both OCC_INCLUDE_DIR ('${OCC_INCLUDE_DIR}') and OCC_LIBRARY_DIR ('${OCC_LIBRARY_DIR}') "
+        "must be specified or OpenCASCADE package should be discoverable. "
+        "If you're using OCE, then providing a package is not available "
+        "and you need to provide OCE_INCLUDE_DIR and OCE_LIBRARY_DIR directly."
+    )
+endif()
+
+set(
+    OpenCASCADE_LIBRARIES
+    TKernel TKMath TKBRep TKGeomBase TKGeomAlgo TKG3d TKG2d TKShHealing TKTopAlgo TKMesh TKPrim TKBool TKBO
+    TKFillet TKXSBase TKOffset TKHLR
+
+    # @todo investigate the exact conditions when this is necessary
+    TKBin
+)
+
+if(OCC_VERSION_STRING VERSION_LESS 7.8.0)
+    list(APPEND OpenCASCADE_LIBRARIES  TKIGES TKSTEPBase TKSTEPAttr TKSTEP209 TKSTEP)
+else(OCC_VERSION_STRING VERSION_LESS 7.8.0)
+    list(APPEND OpenCASCADE_LIBRARIES TKDESTEP TKDEIGES)
+endif(OCC_VERSION_STRING VERSION_LESS 7.8.0)
+
+find_library(libTKernel NAMES TKernel TKerneld PATHS ${OCC_LIBRARY_DIR} NO_DEFAULT_PATH)
+
+if(libTKernel)
+    message(STATUS "Required Open Cascade Library files found")
+else()
+    message(
+        FATAL_ERROR
+        "Unable to find Open Cascade library files in OCC_LIBRARY_DIR ('${OCC_LIBRARY_DIR}'), aborting"
+    )
+endif()
+
+if(MSVC)
+    add_definitions(-DHAVE_NO_DLL)
+    add_debug_variants(OpenCASCADE_LIBRARIES "${OpenCASCADE_LIBRARIES}" d)
+endif()
+
+if(WIN32)
+    # OCC might require linking to Winsock depending on the version and build configuration
+    list(APPEND OpenCASCADE_LIBRARIES ws2_32.lib)
+endif()
+
+# Make sure cross-referenced symbols between static OCC libraries get
+# resolved. Also add thread and rt libraries.
+get_filename_component(libTKernelExt ${libTKernel} EXT)
+if("${libTKernelExt}" STREQUAL ".a")
+    set(OCCT_STATIC ON)
+endif()
+
+if(OCCT_STATIC)
+    find_package(Threads)
+
+    if(WASM_BUILD)
+        set(OpenCASCADE_LIBRARIES ${OpenCASCADE_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
+    else()
+        # OpenCASCADE_LIBRARIES repeated N times below in order to fix cyclic dependencies
+        # tfk: --start-group ... --end-group didn't work on the apple linker when last tested
+        if(APPLE)
+            set(OpenCASCADE_LIBRARIES ${OpenCASCADE_LIBRARIES} ${OpenCASCADE_LIBRARIES} ${OpenCASCADE_LIBRARIES} ${OpenCASCADE_LIBRARIES} ${OpenCASCADE_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
+        else()
+            set(OpenCASCADE_LIBRARIES -Wl,--start-group ${OpenCASCADE_LIBRARIES} -Wl,--end-group ${CMAKE_THREAD_LIBS_INIT})
+        endif()
+    endif()
+
+    if(NOT APPLE AND NOT WIN32)
+        set(OpenCASCADE_LIBRARIES ${OpenCASCADE_LIBRARIES} "rt")
+    endif()
+    if(NOT WIN32)
+        set(OpenCASCADE_LIBRARIES ${OpenCASCADE_LIBRARIES} "dl")
+    endif()
+endif()
+
+add_library(OpenCASCADE_INTERFACE INTERFACE IMPORTED)
+target_include_directories(OpenCASCADE_INTERFACE INTERFACE "${OCC_INCLUDE_DIR}")
+target_link_libraries(OpenCASCADE_INTERFACE INTERFACE ${OpenCASCADE_LIBRARIES})
+target_link_directories(OpenCASCADE_INTERFACE INTERFACE "${OCC_LIBRARY_DIR}")
+set(OpenCASCADE_LIBRARIES OpenCASCADE_INTERFACE)

cmake/FindOpenCOLLADA.cmake

@@ -0,0 +1,118 @@
+
+#
+# Input variables:
+# - `OPENCOLLADA_INCLUDE_DIR`
+# - `OPENCOLLADA_LIBRARY_DIR`
+# - `PCRE_LIBRARY_DIR`
+# If input variables are not specified, try to find OpenCOLLADA config.
+# Input variables could also be provided as environment variables.
+#
+# Output variables:
+# - `OPENCOLLADA_INCLUDE_DIR`
+# - `OPENCOLLADA_LIBRARY_DIR`
+# - `OPENCOLLADA_LIBRARIES`
+#
+
+UNIFY_ENVVARS_AND_CACHE(OPENCOLLADA_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(OPENCOLLADA_LIBRARY_DIR)
+UNIFY_ENVVARS_AND_CACHE(PCRE_LIBRARY_DIR)
+
+if(NOT OPENCOLLADA_INCLUDE_DIR AND NOT OPENCOLLADA_LIBRARY_DIR)
+    # If package is found, automatically sets
+    # OPENCOLLADA_INCLUDE_DIRS and OPENCOLLADA_LIBRARIES (list of targets, not paths).
+    find_package(OpenCOLLADA CONFIG)
+    if(OpenCOLLADA_DIR)
+        message(STATUS "Found OpenCOLLADA: '${OpenCOLLADA_DIR}'.")
+        set(OPENCOLLADA_FOUND TRUE)
+    else()
+        message(STATUS "OpenCOLLADA package not found, falling back to manual search.")
+    endif()
+endif()
+
+if(NOT OpenCOLLADA_DIR)
+    # Find OpenCOLLADA
+    if("${OPENCOLLADA_INCLUDE_DIR}" STREQUAL "")
+        message(STATUS "No OpenCOLLADA include directory specified")
+        set(OPENCOLLADA_INCLUDE_DIR "/usr/include/opencollada" CACHE FILEPATH "OpenCOLLADA header files")
+    else()
+        set(OPENCOLLADA_INCLUDE_DIR "${OPENCOLLADA_INCLUDE_DIR}" CACHE FILEPATH "OpenCOLLADA header files")
+    endif()
+
+    if("${OPENCOLLADA_LIBRARY_DIR}" STREQUAL "")
+        message(STATUS "No OpenCOLLADA library directory specified")
+        find_library(OPENCOLLADA_FRAMEWORK_LIB NAMES OpenCOLLADAFramework
+            PATHS /usr/lib64/opencollada /usr/lib/opencollada /usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib)
+        get_filename_component(OPENCOLLADA_LIBRARY_DIR ${OPENCOLLADA_FRAMEWORK_LIB} PATH)
+    endif()
+
+    find_library(OpenCOLLADAFramework NAMES OpenCOLLADAFramework OpenCOLLADAFrameworkd PATHS ${OPENCOLLADA_LIBRARY_DIR} NO_DEFAULT_PATH)
+
+    if(OpenCOLLADAFramework)
+        message(STATUS "OpenCOLLADA library files found")
+    else()
+        message(FATAL_ERROR "COLLADA_SUPPORT enabled, but unable to find OpenCOLLADA libraries. "
+            "Disable COLLADA_SUPPORT or fix OpenCOLLADA paths to proceed.")
+    endif()
+
+    set(OPENCOLLADA_LIBRARY_DIR "${OPENCOLLADA_LIBRARY_DIR}" CACHE FILEPATH "OpenCOLLADA library files")
+
+    set(OPENCOLLADA_INCLUDE_DIRS "${OPENCOLLADA_INCLUDE_DIR}/COLLADABaseUtils" "${OPENCOLLADA_INCLUDE_DIR}/COLLADAStreamWriter")
+
+    find_file(COLLADASWStreamWriter_h "COLLADASWStreamWriter.h" ${OPENCOLLADA_INCLUDE_DIRS})
+
+    if(COLLADASWStreamWriter_h)
+        message(STATUS "OpenCOLLADA header files found")
+        set(OPENCOLLADA_FOUND TRUE)
+
+        set(OPENCOLLADA_LIBRARY_NAMES
+            GeneratedSaxParser MathMLSolver OpenCOLLADABaseUtils OpenCOLLADAFramework OpenCOLLADASaxFrameworkLoader
+            OpenCOLLADAStreamWriter UTF buffer ftoa
+        )
+
+        # Use the found OpenCOLLADAFramework as a template for all other OpenCOLLADA libraries
+        foreach(lib ${OPENCOLLADA_LIBRARY_NAMES})
+            # Make sure we'll handle the Windows/MSVC debug postfix convention too.
+            string(REPLACE OpenCOLLADAFrameworkd "${lib}" lib_path "${OpenCOLLADAFramework}")
+            string(REPLACE OpenCOLLADAFramework "${lib}" lib_path "${lib_path}")
+            list(APPEND OPENCOLLADA_LIBRARIES "${lib_path}")
+        endforeach()
+
+        if("${PCRE_LIBRARY_DIR}" STREQUAL "")
+            if(WIN32)
+                find_library(pcre_library NAMES pcre pcred PATHS ${OPENCOLLADA_LIBRARY_DIR} NO_DEFAULT_PATH)
+            else()
+                find_library(pcre_library NAMES pcre PATHS ${OPENCOLLADA_LIBRARY_DIR})
+            endif()
+
+            get_filename_component(PCRE_LIBRARY_DIR ${pcre_library} PATH)
+        else()
+            find_library(pcre_library NAMES pcre pcred PATHS ${PCRE_LIBRARY_DIR} NO_DEFAULT_PATH)
+        endif()
+
+        if(pcre_library)
+            set(OPENCOLLADA_LIBRARY_DIR ${OPENCOLLADA_LIBRARY_DIR} ${PCRE_LIBRARY_DIR})
+
+            if(MSVC)
+                # Add release lib regardless whether release or debug found. Debug version will be appended below.
+                list(APPEND OPENCOLLADA_LIBRARIES "${PCRE_LIBRARY_DIR}/pcre.lib")
+            else()
+                list(APPEND OPENCOLLADA_LIBRARIES "${pcre_library}")
+            endif()
+        else()
+            message(FATAL_ERROR "COLLADA_SUPPORT enabled, but unable to find PCRE. "
+                "Disable COLLADA_SUPPORT or fix PCRE_LIBRARY_DIR path to proceed.")
+        endif()
+
+        if(MSVC)
+            add_debug_variants(OPENCOLLADA_LIBRARIES "${OPENCOLLADA_LIBRARIES}" d)
+        endif()
+    else()
+        message(FATAL_ERROR "COLLADA_SUPPORT enabled, but unable to find OpenCOLLADA headers. "
+            "Disable COLLADA_SUPPORT or fix OpenCOLLADA paths to proceed.")
+    endif()
+endif(NOT OpenCOLLADA_DIR)
+
+if(OPENCOLLADA_FOUND)
+    add_definitions(-DWITH_OPENCOLLADA)
+    set(SWIG_DEFINES ${SWIG_DEFINES} -DWITH_OPENCOLLADA)
+endif()

cmake/FindUSD.cmake

@@ -0,0 +1,54 @@
+#
+# Input variables:
+# - `USD_INCLUDE_DIR`
+# - `USD_LIBRARY_DIR`
+# Input variables could also be provided as environment variables.
+# TODO: Try to find USD config if varibales are not provided.
+# TODO: does usd have a config file?
+#
+# Output variables:
+# - `USD_LIBRARIES`
+
+UNIFY_ENVVARS_AND_CACHE(USD_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(USD_LIBRARY_DIR)
+
+if("${USD_INCLUDE_DIR}" STREQUAL "")
+    find_path(USD_INCLUDE_DIR pxr.h
+        PATHS
+            /usr/include/pxr
+            /usr/local/include/pxr
+        REQUIRED
+    )
+    if(USD_INCLUDE_DIR)
+        message(STATUS "Found USD include files in: ${USD_INCLUDE_DIR}")
+    else()
+        message(FATAL_ERROR "Unable to find USD include directory, specify USD_INCLUDE_DIR manually.")
+    endif()
+else()
+    set(USD_INCLUDE_DIR ${USD_INCLUDE_DIR} CACHE FILEPATH "USD header files")
+    message(STATUS "Looking for USD include files in: ${USD_INCLUDE_DIR}")
+endif()
+
+set(USD_LIBRARIES
+        usd_usd
+        usd_usdGeom
+        usd_usdShade
+        usd_usdLux
+        usd_vt
+        usd_sdf
+        usd_tf
+        usd_gf
+    )
+
+find_library(USD_LIBRARY
+    NAMES ${USD_LIBRARIES}
+    PATHS ${USD_LIBRARY_DIR})
+if(USD_LIBRARY)
+    message(STATUS "USD libraries ${USD_LIBRARIES} found in: ${USD_LIBRARY_DIR}")
+    link_directories(${USD_LIBRARY_DIR})
+else()
+    message(FATAL_ERROR "Unable to find USD libraries in: ${USD_LIBRARY_DIR}")
+endif()
+
+add_definitions(-DWITH_USD)
+set(SWIG_DEFINES ${SWIG_DEFINES} -DWITH_USD)

conda/build.bat

@@ -42,7 +42,6 @@ cmake -G "Ninja" ^
  -D Boost_LIBRARY_DIR:FILEPATH="%LIBRARY_PREFIX%\lib" ^
  -D Boost_INCLUDE_DIR:FILEPATH="%LIBRARY_PREFIX%\include" ^
  -D Boost_USE_STATIC_LIBS:BOOL=OFF ^
- -D CITYJSON_SUPPORT:BOOL=OFF ^
  ../cmake
  
 if errorlevel 1 exit 1

conda/build.sh

@@ -42,7 +42,6 @@ cmake ${CMAKE_ARGS} -G Ninja \
  -DBUILD_IFCGEOM:BOOL=ON \
  -DBUILD_GEOMSERVER:BOOL=OFF \
  -DBOOST_USE_STATIC_LIBS:BOOL=OFF \
- -DCITYJSON_SUPPORT:BOOL=OFF \
  ./cmake
 
 ninja

nix/build-all.py

@@ -243,7 +243,9 @@ if WASM:
     # Pyodide still in transition from `FLAGS` to `FLAGS_INIT`.
     # `FLAGS_INIT` allow us to provide flags using environment variables
     # and providing `FLAGS` directly would break pyodide toolchain.
-    WASM_CMAKE_IS_USING_INIT_VARS = get_pyodide_build_version() >= (0, 30, 8)
+    # NOTE: changes in pyodide-build currently got postponed:
+    # https://github.com/pyodide/pyodide-build/pull/249
+    WASM_CMAKE_IS_USING_INIT_VARS = get_pyodide_build_version() >= (99, 0, 0)
 
     # pyodide provide empty `CXXFLAGS`, leading to issues using C++ files compiled with `-fexceptions`
     # which is used by OCCT.
@@ -382,11 +384,13 @@ if MAC_CROSS_COMPILE_INTEL:
     MAC_CROSS_COMPILE_INTEL_BJAM_ARGS = ["architecture=x86"]
     MAC_CROSS_COMPILE_INTEL_CXX = "clang++ -arch x86_64"
     MAC_CROSS_COMPILE_INTEL_CC = "clang -arch x86_64"
+    MAC_CROSS_COMPILE_INTEL_AUTOCONF_HOST_ARGS = ["--host=x86_64-apple-darwin"]
 else:
     MAC_CROSS_COMPILE_INTEL_ARGS = []
     MAC_CROSS_COMPILE_INTEL_BJAM_ARGS = []
     MAC_CROSS_COMPILE_INTEL_CXX = ""
     MAC_CROSS_COMPILE_INTEL_CC = ""
+    MAC_CROSS_COMPILE_INTEL_AUTOCONF_HOST_ARGS = []
 
 OFF_ON = ["OFF", "ON"]
 BUILD_STATIC = "shared" not in flags
@@ -939,11 +943,9 @@ if "pcre2" in targets:
         download_name=f"pcre2-{PCRE2_VERSION}.tar.bz2",
     )
 
-# An issue exists with swig-1.3 and python >= 3.2
-# Therefore, build a recent copy from source
 if "swig" in targets:
     build_dependency(
-        name="swig",
+        name=f"swig-{SWIG_VERSION}",
         mode="autoconf",
         build_tool_args=["--disable-ccache", f"--with-pcre2-prefix={DEPS_DIR}/install/pcre2-{PCRE2_VERSION}"],
         download_url="https://github.com/swig/swig.git",
@@ -1195,7 +1197,9 @@ if "cgal" in targets:
     OLD_CC = None
     if MAC_CROSS_COMPILE_INTEL:
         OLD_CC = os.environ.get("CC")
+        # Otherwise it's using arm64 `gcc` and fails to build gmp.
         os.environ["CC"] = MAC_CROSS_COMPILE_INTEL_CC
+        gmp_args.extend(MAC_CROSS_COMPILE_INTEL_AUTOCONF_HOST_ARGS)
 
     build_dependency(
         name=f"gmp-{GMP_VERSION}",
@@ -1374,6 +1378,7 @@ if "cgal" in targets:
     cmake_args_prefix_path.append(f"{DEPS_DIR}/install/cgal-{CGAL_VERSION}")
     cmake_args_prefix_path.append(f"{DEPS_DIR}/install/gmp-{GMP_VERSION}")
     cmake_args_prefix_path.append(f"{DEPS_DIR}/install/mpfr-{MPFR_VERSION}")
+    cmake_args.append(f"-DCGAL_WITH_GMPXX=Off")
 
 if "occ" in targets and USE_OCCT:
     cmake_args_prefix_path.append(f"{DEPS_DIR}/install/occt-{OCCT_VERSION}")
@@ -1426,6 +1431,9 @@ if "rocksdb" in targets:
         ]
     )
 
+if "swig" in targets:
+    cmake_args_prefix_path.append(f"{DEPS_DIR}/install/swig-{SWIG_VERSION}")
+
 if not WASM and (not explicit_targets or {"IfcGeom", "IfcConvert", "IfcGeomServer"} & set(explicit_targets)):
     logger.info("\rConfiguring executables...")
 
@@ -1441,17 +1449,14 @@ if not WASM and (not explicit_targets or {"IfcGeom", "IfcConvert", "IfcGeomServe
 
     logger.info("\rBuilding executables...   ")
 
-    run([make, f"-j{IFCOS_NUM_BUILD_PROCS}"], cwd=executables_dir)
+    run([make, f"-j{IFCOS_NUM_BUILD_PROCS}", "VERBOSE=1"], cwd=executables_dir)
     run([make, "install/strip" if BUILD_CFG == "Release" else "install"], cwd=executables_dir)
 
 if "IfcOpenShell-Python" in targets:
     # On OSX the actual Python library is not linked against.
     ADDITIONAL_ARGS = ""
     if platform.system() == "Darwin":
-        ADDITIONAL_ARGS = "-Wl,-flat_namespace,-undefined,suppress"
-
-    if "wasm" in flags:
-        ADDITIONAL_ARGS = "-Wl,-undefined,suppress"
+        ADDITIONAL_ARGS = "-Wl,-undefined,dynamic_lookup"
 
     # NOTE: We don't use `CXXFLAGS` for wrappers, so wrapper is compiled with different flags
     # (e.g. ` -fdata-sections` is missing, which is set by default for executables)
@@ -1481,9 +1486,6 @@ if "IfcOpenShell-Python" in targets:
         if os.path.exists(cache_path):
             os.remove(cache_path)
 
-        prefix_paths: list[str] = []
-        if "swig" in targets:
-            prefix_paths.append(f"{DEPS_DIR}/install/swig")
         if python_path:
             # We couldn't just prefix PATH and have to provide all variables explicitly,
             # see ifcwrap/cmake for the details.
@@ -1500,7 +1502,7 @@ if "IfcOpenShell-Python" in targets:
         run_cmake(
             "",
             cmake_args
-            + get_cmake_args_prefix_path(prefix_paths)
+            + get_cmake_args_prefix_path()
             + [
                 *([f"-DPYTHON_EXECUTABLE={python_executable}"] if python_executable else []),
                 # Needed because pyodide is expecting setup.py to be in the root.
@@ -1516,7 +1518,7 @@ if "IfcOpenShell-Python" in targets:
 
         logger.info(f"\rBuilding python {python_version} wrapper...   ")
 
-        run([make, f"-j{IFCOS_NUM_BUILD_PROCS}", "ifcopenshell_wrapper"], cwd=python_dir)
+        run([make, f"-j{IFCOS_NUM_BUILD_PROCS}", "ifcopenshell_wrapper", "VERBOSE=1"], cwd=python_dir)
         run([make, "install/local"], cwd=os.path.join(python_dir, "ifcwrap"))
 
         if python_executable:

pyproject.toml

@@ -9,10 +9,8 @@ extend-exclude = '''
     |src/ifcopenshell-python/ifcopenshell/mvd/*
     |src/ifcopenshell-python/ifcopenshell/simple_spf/*
     |src/ifc2ca/templates/*
-    |src/ifcconvert/cityjson/*
     |src/svgfill
     |src/exterior-shell-extractor
-    |src/pyodide
 '''
 
 [tool.pyright]
@@ -21,12 +19,11 @@ disableBytesTypePromotions = true
 reportUnnecessaryTypeIgnoreComment = true
 
 # Define here general ruff settings,
-# then they will be inherited projects .toml files.
+# then they will be inherited by projects' .toml files.
 # This allows using assuming different Python version for different projects.
 [tool.ruff]
 exclude = [
     # Submodules.
-    "src/ifcconvert/cityjson",
     "src/ifcopenshell-python/ifcopenshell/express",
     "src/ifcopenshell-python/ifcopenshell/mvd",
     "src/ifcopenshell-python/ifcopenshell/simple_spf",

src/bonsai/Makefile

@@ -87,7 +87,7 @@ BLENDER_PLATFORM:=windows-x64
 endif
 
 # Current build commit hash.
-OLD:=6924012
+OLD:=e8eb5e4
 .PHONY: bump
 bump:
 ifndef NEW
@@ -155,6 +155,9 @@ endif
 	cd build && . env/$(VENV_ACTIVATE) && $(PIP) download six --dest=./wheels
 	# Required by drawing module
 	cd build && . env/$(VENV_ACTIVATE) && $(PIP) download lxml $(PYPI_PLATFORM) --python-version $(PYPI_VERSION) --implementation $(PYPI_IMP) --only-binary=:all: --dest=./wheels
+	# Required by drawing module for markdown hyperlinks in annotations
+	cd build && . env/$(VENV_ACTIVATE) && $(PIP) download markdown-it-py --dest=./wheels
+	cd build && . env/$(VENV_ACTIVATE) && $(PIP) download mdurl --dest=./wheels
 	# Required by qto and drawing module
 	cd build && . env/$(VENV_ACTIVATE) && $(PIP) download shapely $(PYPI_PLATFORM) --python-version $(PYPI_VERSION) --implementation $(PYPI_IMP) --only-binary=:all: --dest=./wheels
 	# Required by the BIM type manager thumbnail generator

src/bonsai/bonsai/__init__.py

@@ -98,7 +98,7 @@ def initialize_bbim_semver():
 def get_debug_info():
     bbim_version = bbim_semver["version"]
 
-    return {
+    debug_info = {
         "os": platform.system(),
         "os_version": platform.version(),
         "python_version": platform.python_version(),
@@ -113,6 +113,25 @@ def get_debug_info():
         "last_error": last_error,
     }
 
+    # Add .blend file save information
+    if bpy.data.is_saved:
+        debug_info["blend_file_path"] = bpy.data.filepath
+        debug_info["blend_file_dirty"] = bpy.data.is_dirty
+    else:
+        debug_info["blend_file_path"] = "Not saved"
+        debug_info["blend_file_dirty"] = "N/A"
+
+    # Add IFC file information
+    bim_props = tool.Blender.get_bim_props()
+    if bim_props.ifc_file:
+        debug_info["ifc_file_path"] = bim_props.ifc_file
+        debug_info["ifc_is_dirty"] = bim_props.is_dirty
+    else:
+        debug_info["ifc_file_path"] = "No IFC loaded"
+        debug_info["ifc_is_dirty"] = "N/A"
+
+    return debug_info
+
 
 def format_debug_info(info: dict):
     last_actions = ""

src/bonsai/bonsai/bim/__init__.py

@@ -21,7 +21,7 @@ import bpy
 import bpy.utils.previews
 import importlib
 from bpy_extras.io_utils import ImportHelper, ExportHelper
-from . import handler, ui, prop, operator
+from . import handler, ui, prop, operator, gizmo
 from typing import Union
 from collections.abc import Callable
 
@@ -148,7 +148,11 @@ classes = [
     ui.BIM_UL_clipping_plane,
     ui.BIM_UL_generic,
     ui.DocPreferences,
-    ui.BIM_ADDON_preferences,
+    ui.GizmoPreferencesDoor,  # Register before GizmoPreferences
+    ui.GizmoPreferencesWindow,  # Register before GizmoPreferences
+    ui.GizmoPreferencesStair,  # Register before GizmoPreferences
+    ui.GizmoPreferences,
+    # ui.DefaultParameters and ui.BIM_ADDON_preferences are registered separately after modules (see late_classes below)
     # Tabs panel
     ui.BIM_PT_tabs,
     # Project overview
@@ -202,6 +206,19 @@ classes = [
     ui.BIM_PT_section_with_cappings,
     ui.BIM_PT_decorators_overlay,
     ui.BIM_PT_snappping,
+    # Gizmos
+    gizmo.BIM_OT_gizmo_value_input,
+    gizmo.GizmoArrow,
+    gizmo.GizmoArrow2D,
+    gizmo.GizmoCone,
+    gizmo.GizmoLock,
+    gizmo.GizmoArc,
+    gizmo.GizmoPen,
+    gizmo.GizmoValidate,
+    gizmo.GizmoCancel,
+    gizmo.GizmoPlus,
+    gizmo.GizmoMinus,
+    gizmo.GizmoCycle,
 ]
 
 for mod in modules.values():
@@ -225,14 +242,33 @@ def on_register(scene):
     is_registering = False
 
 
-def register():
-    for cls in classes:
+# Classes that need to be registered after modules (due to cross-module dependencies)
+late_classes = (
+    ui.DefaultParameters,  # Register before BIM_ADDON_preferences
+    ui.BIM_ADDON_preferences,
+)
+
+
+def register_classes(classes_to_register):
+    for cls in classes_to_register:
         # Prevent crashes in Blender 4.4.0, see #6420.
         if issubclass(cls, (ImportHelper, ExportHelper)):
             assert getattr(cls, "bl_description", "") or cls.__doc__, cls
 
         bpy.utils.register_class(cls)
 
+
+def unregister_classes(classes_to_unregister):
+    for cls in reversed(classes_to_unregister):
+        if getattr(cls, "is_registered", None) is None:
+            bpy.utils.unregister_class(cls)
+        elif cls.is_registered:
+            bpy.utils.unregister_class(cls)
+
+
+def register():
+    register_classes(classes)
+
     bpy.app.handlers.depsgraph_update_post.append(on_register)
     bpy.app.handlers.undo_post.append(handler.undo_post)
     bpy.app.handlers.redo_post.append(handler.redo_post)
@@ -256,6 +292,9 @@ def register():
     for mod in modules.values():
         mod.register()
 
+    # Delay registering classes that depend on module classes
+    register_classes(late_classes)
+
     wm = bpy.context.window_manager
     if wm.keyconfigs.addon:
         km = wm.keyconfigs.addon.keymaps.new(name="Window", space_type="EMPTY")
@@ -287,11 +326,7 @@ def unregister():
 
     bpy.utils.previews.remove(icons)
 
-    for cls in reversed(classes):
-        if getattr(cls, "is_registered", None) is None:
-            bpy.utils.unregister_class(cls)
-        elif cls.is_registered:
-            bpy.utils.unregister_class(cls)
+    unregister_classes(classes)
 
     bpy.app.handlers.load_post.remove(handler.load_post)
     bpy.app.handlers.load_post.remove(handler.loadIfcStore)
@@ -306,6 +341,9 @@ def unregister():
         bpy.types.UI_MT_button_context_menu.remove(ui.draw_custom_context_menu)
     bpy.types.STATUSBAR_HT_header.remove(ui.draw_statusbar)
 
+    # Unregister late classes before modules
+    unregister_classes(late_classes)
+
     for mod in reversed(list(modules.values())):
         mod.unregister()
 

src/bonsai/bonsai/bim/data/assets/shading_styles.json

@@ -7,12 +7,6 @@
                 1.0,
                 1.0
             ],
-            "scene.render.bake_bias": 0.0010000000474974513,
-            "scene.render.bake_margin": 16,
-            "scene.render.bake_margin_type": "ADJACENT_FACES",
-            "scene.render.bake_samples": 256,
-            "scene.render.bake_type": "NORMALS",
-            "scene.render.bake_user_scale": 0.0,
             "scene.render.border_max_x": 1.0,
             "scene.render.border_max_y": 1.0,
             "scene.render.border_min_x": 0.0,
@@ -54,11 +48,6 @@
             "scene.render.stamp_note_text": "",
             "scene.render.threads": 20,
             "scene.render.threads_mode": "AUTO",
-            "scene.render.use_bake_clear": true,
-            "scene.render.use_bake_lores_mesh": false,
-            "scene.render.use_bake_multires": false,
-            "scene.render.use_bake_selected_to_active": false,
-            "scene.render.use_bake_user_scale": false,
             "scene.render.use_border": false,
             "scene.render.use_compositing": true,
             "scene.render.use_crop_to_border": false,
@@ -253,12 +242,6 @@
                 1.0,
                 1.0
             ],
-            "scene.render.bake_bias": 0.0010000000474974513,
-            "scene.render.bake_margin": 16,
-            "scene.render.bake_margin_type": "ADJACENT_FACES",
-            "scene.render.bake_samples": 256,
-            "scene.render.bake_type": "NORMALS",
-            "scene.render.bake_user_scale": 0.0,
             "scene.render.border_max_x": 1.0,
             "scene.render.border_max_y": 1.0,
             "scene.render.border_min_x": 0.0,
@@ -300,11 +283,6 @@
             "scene.render.stamp_note_text": "",
             "scene.render.threads": 20,
             "scene.render.threads_mode": "AUTO",
-            "scene.render.use_bake_clear": true,
-            "scene.render.use_bake_lores_mesh": false,
-            "scene.render.use_bake_multires": false,
-            "scene.render.use_bake_selected_to_active": false,
-            "scene.render.use_bake_user_scale": false,
             "scene.render.use_border": false,
             "scene.render.use_compositing": true,
             "scene.render.use_crop_to_border": false,
@@ -377,7 +355,7 @@
                 1.0,
                 1.0
             ],
-            "scene.display.shading.studio_light": "Default",
+            "scene.display.shading.studio_light": "forest.exr",
             "scene.display.shading.studiolight_background_alpha": 0.0,
             "scene.display.shading.studiolight_background_blur": 0.0,
             "scene.display.shading.studiolight_intensity": 0.0,
@@ -503,18 +481,12 @@
             "scene.eevee.shadow_ray_count": 1,
             "scene.eevee.shadow_step_count": 6,
             "scene.eevee.shadow_resolution_scale": 1.0,
-            "scene.render.bake_bias": 0.0010000000474974513,
-            "scene.render.bake_margin": 16,
-            "scene.render.bake_margin_type": "ADJACENT_FACES",
-            "scene.render.bake_samples": 256,
-            "scene.render.bake_type": "NORMALS",
-            "scene.render.bake_user_scale": 0.0,
             "scene.render.border_max_x": 1.0,
             "scene.render.border_max_y": 1.0,
             "scene.render.border_min_x": 0.0,
             "scene.render.border_min_y": 0.0,
             "scene.render.dither_intensity": 1.0,
-            "scene.render.engine": "BLENDER_EEVEE_NEXT",
+            "scene.render.engine": "BLENDER_EEVEE",
             "scene.render.film_transparent": false,
             "scene.render.filter_size": 1.5,
             "scene.render.fps": 24,
@@ -550,11 +522,6 @@
             "scene.render.stamp_note_text": "",
             "scene.render.threads": 20,
             "scene.render.threads_mode": "AUTO",
-            "scene.render.use_bake_clear": true,
-            "scene.render.use_bake_lores_mesh": false,
-            "scene.render.use_bake_multires": false,
-            "scene.render.use_bake_selected_to_active": false,
-            "scene.render.use_bake_user_scale": false,
             "scene.render.use_border": false,
             "scene.render.use_compositing": true,
             "scene.render.use_crop_to_border": false,
@@ -627,7 +594,7 @@
                 0.800000011920929,
                 0.800000011920929
             ],
-            "scene.display.shading.studio_light": "Default",
+            "scene.display.shading.studio_light": "forest.exr",
             "scene.display.shading.studiolight_background_alpha": 0.0,
             "scene.display.shading.studiolight_background_blur": 0.0,
             "scene.display.shading.studiolight_intensity": 0.0,

src/bonsai/bonsai/bim/export_ifc.py

@@ -25,6 +25,7 @@ import zipfile
 import tempfile
 import ifcopenshell
 import ifcopenshell.api
+import ifcopenshell.util.element
 import ifcopenshell.util.placement
 import ifcopenshell.util.unit
 import bonsai.tool as tool

src/bonsai/bonsai/bim/import_ifc.py

@@ -28,6 +28,7 @@ import numpy as np
 import numpy.typing as npt
 import multiprocessing
 import ifcopenshell
+import ifcopenshell.api.pset
 import ifcopenshell.geom
 import ifcopenshell.ifcopenshell_wrapper as W
 import ifcopenshell.util.unit
@@ -1237,8 +1238,7 @@ class IfcImporter:
                 if not pset:
                     return
                 if "Aggregate_Index" not in pset.keys():
-                    ifcopenshell.api.run(
-                        "pset.edit_pset",
+                    ifcopenshell.api.pset.edit_pset(
                         self.file,
                         pset=self.file.by_id(pset["id"]),
                         properties={"Aggregate_Index": aggregate_index, "Name": name},

src/bonsai/bonsai/bim/module/aggregate/operator.py

@@ -21,6 +21,7 @@ import ifcopenshell
 import ifcopenshell.api
 import ifcopenshell.api.group
 import ifcopenshell.api.pset
+import ifcopenshell.api.root
 import ifcopenshell.util.element
 import bonsai.tool as tool
 import bonsai.core.aggregate as core
@@ -126,6 +127,10 @@ class BIM_OT_aggregate_unassign_object(bpy.types.Operator, tool.Ifc.Operator):
         # Second pass: delete aggregates that now have no parts
         deleted_aggregates = []
         for aggregate in aggregates_to_check:
+            # Skip spatial elements - they should not be deleted even if empty
+            if aggregate.is_a("IfcSpatialElement"):
+                continue
+
             related_objects = ifcopenshell.util.element.get_parts(aggregate)
             if len(related_objects) == 0:
                 aggregate_name = aggregate.Name or f"{aggregate.is_a()} #{aggregate.id()}"
@@ -321,6 +326,21 @@ class BIM_OT_select_aggregate(bpy.types.Operator):
                     aggregate_obj.select_set(True)
                     bpy.context.view_layer.objects.active = aggregate_obj
 
+        # copy selection query to clipboard
+        result = ""
+        for aggregate in all_parts:
+            aggregate_class = aggregate.is_a()
+            aggregate_name = aggregate.Name or ""
+            query = f'parent = "{aggregate_name}"'
+            if not result:
+                result = query
+            else:
+                result += f" + {query}"
+
+        if result:
+            bpy.context.window_manager.clipboard = result
+            self.report({"INFO"}, f"({result}) was copied to the clipboard.")
+
         self.one_level_deep = False  # <-- forcibly reset
         return {"FINISHED"}
 

src/bonsai/bonsai/bim/module/debug/ui.py

@@ -109,23 +109,6 @@ class BIM_PT_debug(Panel):
         row.prop(props, "display_type", text="")
         row.operator("bim.override_display_type").display = props.display_type
 
-        layout.operator("bim.purge_unused_representations")
-
-        row = layout.row(align=True)
-        row.prop(props, "ifc_class_purge", text="")
-        row.operator("bim.purge_unused_elements_by_class", text="Purge Orphaned", icon="TRASH")
-        row.operator("bim.print_unused_elements_stats", text="", icon="INFO")
-
-        if context.active_object and (data := context.active_object.data):
-            mprops = tool.Geometry.get_mesh_props(data)
-            row = layout.row()
-            row.operator("bim.get_representation_ifc_parameters")
-            for index, ifc_parameter in enumerate(mprops.ifc_parameters):
-                row = layout.row(align=True)
-                row.prop(ifc_parameter, "name", text="")
-                row.prop(ifc_parameter, "value", text="")
-                row.operator("bim.update_parametric_representation", icon="FILE_REFRESH", text="").index = index
-
         layout.label(text="Inspector:")
 
         row = layout.row(align=True)

src/bonsai/bonsai/bim/module/drawing/data.py

@@ -235,8 +235,8 @@ class DecoratorData:
     cut_cache = {}
     slice_cache = {}
     fill_cache = {}
-    camera_location_checksum = None
-    camera_rotation_checksum = None
+    camera_location_checksum = ""
+    camera_rotation_checksum = ""
 
     @classmethod
     def clear_cache(cls):

src/bonsai/bonsai/bim/module/drawing/decoration.py

@@ -19,6 +19,7 @@
 import gpu
 import bpy
 import blf
+import os
 import math
 import bmesh
 import shapely
@@ -41,7 +42,7 @@ from bonsai.bim.module.drawing.helper import format_distance
 from timeit import default_timer as timer
 from functools import cache
 from typing import Optional, Union
-from collections.abc import Iterator
+from collections.abc import Generator, Iterator
 
 UNSPECIAL_ELEMENT_COLOR = (0.2, 0.2, 0.2, 1)  # GREY
 
@@ -172,15 +173,11 @@ class BaseDecorator:
     def get_camera_width_mm(self):
         # Horrific prototype code to ensure bgl draws at drawing scales
         # https://blender.stackexchange.com/questions/16493/is-there-a-way-to-fit-the-viewport-to-the-current-field-of-view
-        def is_landscape(render):
-            return render.resolution_x > render.resolution_y
-
         camera = bpy.context.scene.camera
         render = bpy.context.scene.render
-        if is_landscape(render):
-            camera_width_model = camera.data.ortho_scale
-        else:
-            camera_width_model = camera.data.ortho_scale / render.resolution_y * render.resolution_x
+
+        # Always use the camera's ortho_scale as the width in model space
+        camera_width_model = camera.data.ortho_scale
 
         scale = tool.Drawing.get_scale_ratio(tool.Drawing.get_diagram_scale(camera)["Scale"])
         camera_width_mm = scale * camera_width_model
@@ -189,29 +186,26 @@ class BaseDecorator:
     def camera_zoom_to_factor(self, zoom):
         return math.pow(((zoom / 50) + math.sqrt(2)) / 2, 2)
 
-    def get_splines(self, obj):
+    def get_splines(self, obj: bpy.types.Object) -> Generator[list[Vector]]:
         """Iterates through splines
-        Args:
-          obj: Blender object with Curve data
 
-        Yields:
-          verts: points of each spline, world coords
+        :param obj: Blender object with Curve data
+        :yield: points of each spline, world coords
         """
+        assert type(obj.data) is bpy.types.Curve
         for spline in obj.data.splines:
             spline_points = spline.bezier_points if spline.bezier_points else spline.points
             if len(spline_points) < 2:
                 continue
             yield [obj.matrix_world @ p.co for p in spline_points]
 
-    def get_path_geom(self, obj, topo=True):
+    def get_path_geom(self, obj: bpy.types.Object, topo: bool = True):
         """Parses path geometry into line segments
 
-        Args:
-          obj: Blender object with data of type Curve
-          topo: bool; if types of vertices are needed
+        :param obj: Blender object with data of type Curve
+        :param topo: if types of vertices are needed
 
-        Returns:
-          vertices: 3-tuples of coords
+        :return: vertices: 3-tuples of coords
           indices: 2-tuples of each segment verices' indices
           topology: types of vertices
             0: internal
@@ -242,11 +236,9 @@ class BaseDecorator:
     def get_mesh_geom(self, obj, check_mode=True):
         """Parses mesh geometry into line segments
 
-        Args:
-          obj: Blender object with data of type Mesh
+        :param obj: Blender object with data of type Mesh
 
-        Returns:
-          vertices: 3-tuples of coords
+        :return: vertices: 3-tuples of coords
           indices: 2-tuples of each segment verices' indices
         """
         if check_mode and obj.data.is_editmode:
@@ -377,11 +369,9 @@ class BaseDecorator:
     ):
         """Draw text label
 
-        Args:
-          pos: bottom-center
-          multiline: \n characters will be interpreted as line breaks
-
-        aligned and centered at segment middle
+        :param pos: bottom-center
+        :param multiline: ``\n`` characters will be interpreted as line breaks
+            aligned and centered at segment middle
 
         NOTE: `blf.draw` seems to ignore the \n character, so we have to split the text ourselves
         and use the `line_no` argument of `draw_label`
@@ -499,7 +489,7 @@ class BaseDecorator:
         self.draw_label(context, text=text, line_no=line_number_start, multiline=True, **draw_label_kwargs)
 
     @cache
-    def format_value(self, context, value, custom_unit=None):
+    def format_value(self, context, value, suppress_zero_inches=False, custom_unit=None, in_unit_length=False):
         drawing_pset_data = DrawingsData.data["active_drawing_pset_data"]
         precision = drawing_pset_data.get("MetricPrecision", None)
         if not precision:
@@ -510,8 +500,9 @@ class BaseDecorator:
             value,
             precision=precision,
             decimal_places=decimal_places,
-            suppress_zero_inches=True,
+            suppress_zero_inches=suppress_zero_inches,
             custom_unit=custom_unit,
+            in_unit_length=in_unit_length,
         )
 
     def draw_asterisk(self, context: bpy.types.Context, pos: Vector, rotation: float = 0.0, scale: float = 1.0) -> None:
@@ -753,7 +744,12 @@ class DimensionDecorator(BaseDecorator):
 
             if not show_description_only:
                 length = (v1 - v0).length
-                text = self.format_value(context, length, custom_unit=dimension_data["custom_unit"])
+                text = self.format_value(
+                    context,
+                    length,
+                    suppress_zero_inches=dimension_data["suppress_zero_inches"],
+                    custom_unit=dimension_data["custom_unit"],
+                )
                 if isinstance(self, DiameterDecorator):
                     text = "D" + text
                 text = text_prefix + text + text_suffix
@@ -1208,7 +1204,11 @@ class PlanLevelDecorator(BaseDecorator):
                 abs_z = verts[0].z
                 z = helper.get_relative_z(obj, element, abs_z)
 
-                rl = self.format_value(context, z)
+                # Z is in meters (Blender world space), convert to project units (feet)
+                unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+                z = z / unit_scale  # Convert meters to feet
+
+                rl = self.format_value(context, z, in_unit_length=True)
                 text = "{}{}".format("" if z < 0 else "+", rl)
                 return text
 
@@ -1281,7 +1281,11 @@ class SectionLevelDecorator(BaseDecorator):
 
             def get_text():
                 z = verts[0].z
-                rl = self.format_value(context, z)
+                # Z is in meters (Blender world space), convert to project units (feet)
+                unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+                z = z / unit_scale  # Convert meters to feet
+
+                rl = self.format_value(context, z, in_unit_length=True)
                 text = "RL {}{}".format("" if z < 0 else "+", rl)
                 return text
 
@@ -1641,6 +1645,13 @@ class CutDecorator:
         if not context.scene.camera:
             return
 
+        # Check if any viewport is in local view - skip decorations if so
+        for area in context.screen.areas:
+            if area.type == "VIEW_3D":
+                space = area.spaces.active
+                if isinstance(space, bpy.types.SpaceView3D) and space.local_view:
+                    return  # Don't draw decorations in local view
+
         self.addon_prefs = tool.Blender.get_addon_preferences()
         selected_elements_color = self.addon_prefs.decorator_color_selected
         self.fallback_colour = (0.3, 0.3, 0.3, 1)
@@ -1731,21 +1742,38 @@ class CutDecorator:
 
     def cache_camera_matrix(self):
         obj = bpy.context.scene.camera
-        DecoratorData.camera_location_checksum = repr(np.array(obj.matrix_world.translation).tobytes())
-        DecoratorData.camera_rotation_checksum = repr(np.array(obj.matrix_world.to_3x3()).tobytes())
+        # Explicit `dtype` for Blender <5.0 compatibility.
+        DecoratorData.camera_location_checksum = repr(
+            np.array(obj.matrix_world.translation, dtype=np.float32).tobytes()
+        )
+        DecoratorData.camera_rotation_checksum = repr(np.array(obj.matrix_world.to_3x3(), dtype=np.float32).tobytes())
 
     def is_camera_moved(self):
         if not DecoratorData.camera_location_checksum:
             self.cache_camera_matrix()
             return True  # Let's be conservative
         obj = bpy.context.scene.camera
-        loc_check = np.frombuffer(eval(DecoratorData.camera_location_checksum))
-        loc_real = np.array(obj.matrix_world.translation).flatten()
+
+        # Handle both old float64 and new float32 checksums for version compatibility
+        loc_checksum_bytes = eval(DecoratorData.camera_location_checksum)
+        if len(loc_checksum_bytes) == 24:  # Old format: 3 * 8 bytes (float64)
+            loc_check = np.frombuffer(loc_checksum_bytes, dtype=np.float64).astype(np.float32)
+        else:  # New format: 3 * 4 bytes (float32)
+            loc_check = np.frombuffer(loc_checksum_bytes, dtype=np.float32)
+
+        loc_real = np.array(obj.matrix_world.translation, dtype=np.float32).flatten()
         if not np.allclose(loc_check, loc_real, atol=1e-4):  # 0.1 mm
             self.cache_camera_matrix()
             return True
-        rot_check = np.frombuffer(eval(DecoratorData.camera_rotation_checksum)).reshape(3, 3)
-        rot_real = np.array(obj.matrix_world.to_3x3())
+
+        # Handle both old float64 and new float32 checksums for version compatibility
+        rot_checksum_bytes = eval(DecoratorData.camera_rotation_checksum)
+        if len(rot_checksum_bytes) == 72:  # Old format: 9 * 8 bytes (float64)
+            rot_check = np.frombuffer(rot_checksum_bytes, dtype=np.float64).astype(np.float32).reshape(3, 3)
+        else:  # New format: 9 * 4 bytes (float32)
+            rot_check = np.frombuffer(rot_checksum_bytes, dtype=np.float32).reshape(3, 3)
+
+        rot_real = np.array(obj.matrix_world.to_3x3(), dtype=np.float32)
         rot_dot = np.dot(rot_check, rot_real.T)
         angle_rad = np.arccos(np.clip((np.trace(rot_dot) - 1) / 2, -1, 1))
         if angle_rad > 0.0017453292519943296:  # 0.1 degrees
@@ -1974,15 +2002,51 @@ class DecorationsHandler:
         for object_type in ("SLOPE_ANGLE", "SLOPE_FRACTION", "SLOPE_PERCENT"):
             self.decorators[object_type] = self.decorators["FALL"]
         self.decorators["MULTI_SYMBOL"] = self.decorators["SYMBOL"]
+
         prefs = tool.Blender.get_addon_preferences()
+
         if drawing_font := prefs.doc.drawing_font:
+            # Try Blender addon font folder
             drawing_font_path = tool.Blender.get_data_dir_path(Path("fonts") / drawing_font)
-            if drawing_font_path.is_file():
-                font_id = blf.load(drawing_font_path.__str__())
-                for decorator in self.decorators.values():
-                    decorator.font_id = font_id
+
+            if not drawing_font_path.is_file():
+                # 2 — Fallback search: Windows font directories
+                # TODO - Linux
+                win_font_dirs = [
+                    Path(os.environ.get("WINDIR", "C:\\Windows")) / "Fonts",
+                    # Add any custom enterprise paths here if needed
+                ]
+
+                found_font = None
+                for font_dir in win_font_dirs:
+                    candidate = font_dir / drawing_font
+                    if candidate.is_file():
+                        found_font = candidate
+                        break
+
+                if found_font:
+                    drawing_font_path = found_font
+                else:
+                    print(f"[BIM] Font '{drawing_font}' not found in addon or Windows fonts.")
+                    return  # Bail out without assigning fonts
+
+            font_id = blf.load(str(drawing_font_path))
+
+            for decorator in self.decorators.values():
+                decorator.font_id = font_id
 
     def __call__(self, context):
+        # Check if any viewport is in local view - skip decorations if so
+        for area in context.screen.areas:
+            if area.type == "VIEW_3D":
+                space = area.spaces.active
+                if isinstance(space, bpy.types.SpaceView3D) and space.local_view:
+                    return  # Don't draw decorations in local view
+
+        # disable decorations when not in camera view
+        if context.region_data.view_perspective != "CAMERA":
+            return
+
         if not DrawingsData.is_loaded:
             DrawingsData.load()
 

src/bonsai/bonsai/bim/module/drawing/helper.py

@@ -18,6 +18,7 @@
 
 import bpy
 import math
+import ifcopenshell.util.element
 import mathutils.geometry
 import ifcopenshell
 import ifcopenshell.util.unit
@@ -121,6 +122,45 @@ class BoundingBox:
         return retVal
 
 
+def find_best_precision(fractional_inches, max_precision=256, base_tolerance=0.0001):
+    """
+    Find the simplest fraction denominator that accurately represents the value.
+    Uses a sliding tolerance - smaller denominators get more tolerance.
+
+    :param fractional_inches: The fractional part of inches (0.0 to 1.0)
+    :param max_precision: Maximum denominator to try (256 for imperial)
+    :param base_tolerance: Base tolerance in inches (very strict)
+    :return: Best denominator (power of 2: 2, 4, 8, 16, 32, 64, 128, 256)
+    """
+    if abs(fractional_inches) < 0.00001:
+        return 1  # No fraction needed
+
+    # Try denominators from coarsest to finest: 2, 4, 8, 16, 32, 64, 128, 256
+    for exp in range(1, 9):  # 2^1 to 2^8
+        denom = 2**exp
+        if denom > max_precision:
+            break
+
+        # Find nearest numerator for this denominator
+        numer = round(fractional_inches * denom)
+
+        # Skip if numerator is 0
+        if numer == 0:
+            continue
+
+        # Check if this fraction is close enough
+        fraction_value = numer / denom
+        error = abs(fraction_value - fractional_inches)
+
+        # Very strict tolerance - only simplify if it's a near-perfect match
+        # This keeps 3/256 as 3/256, but allows floating point errors to be cleaned up
+        if error < base_tolerance:
+            return denom
+
+    # If no simpler fraction works, use max precision
+    return max_precision
+
+
 # This function stolen from https://github.com/kevancress/MeasureIt_ARCH/blob/dcf607ce0896aa2284463c6b4ae9cd023fc54cbe/measureit_arch_baseclass.py
 # MeasureIt-ARCH is GPL-v3
 def format_distance(
@@ -186,14 +226,18 @@ def format_distance(
             if unit_length == "INCHES":
                 toInches = 1
             if unit_length == "FEET":
-                toInches = 11.9999
+                toInches = 12
         else:
             toInches = 39.3700787401574887
-        inPerFoot = 11.9999
+        inPerFoot = 12.0
 
         if isArea:
             toInches = 1550
-            inPerFoot = 143.999
+            inPerFoot = 144
+
+        decInches = value * toInches
+        decFeet = decInches / 12
+
         if not precision:
             precision = 256
         elif precision == "1":
@@ -202,8 +246,6 @@ def format_distance(
             precision = int(precision.split("/")[1])
 
         base = int(precision)
-        decInches = value * toInches
-        decFeet = decInches / 12
 
         # Separate ft and inches
         # Unless Inches are the specified Length Unit or unit_fraction is False
@@ -219,20 +261,33 @@ def format_distance(
         # Separate Fractional Inches
         decInches = abs(decInches)  # ignore the sign for inches
         inches = math.floor(decInches)  # remove decimal
-        if inches != 0:
-            frac = round(base * (decInches - inches))
+
+        # Clean up floating point errors
+        fractional_inches = decInches - inches
+        tolerance = 0.01  # About 1/100 of an inch
+
+        # If the fractional part is very small, treat it as zero
+        if fractional_inches < tolerance:
+            frac = 0
+        # If very close to the next whole inch, round up
+        elif fractional_inches > (1.0 - tolerance):
+            frac = 0
+            inches += 1
         else:
-            frac = round(base * (decInches))
+            # Calculate fraction normally
+            if inches != 0:
+                frac = round(base * fractional_inches)
+            else:
+                frac = round(base * fractional_inches)
 
         # Set proper numerator and denominator
         if frac != base:
-            numcycles = int(math.log2(base))
-            for i in range(numcycles):
-                if frac % 2 == 0:
-                    frac = int(frac / 2)
-                    base = int(base / 2)
-                else:
-                    break
+            # Simplify using GCD
+            from math import gcd
+
+            divisor = gcd(int(frac), int(base))
+            frac = int(frac / divisor)
+            base = int(base / divisor)
         else:
             frac = 0
             inches += 1
@@ -251,31 +306,46 @@ def format_distance(
             frac = None
         if not isArea:
             add_inches = bool(inches) or not suppress_zero_inches or (inches == 0 and frac)
+
             tx_dist = ""
             if feet:
                 tx_dist += str(feet) + "'"
             if not feet and not add_inches:
                 tx_dist += str(feet) + "'"
-            if feet and add_inches:
+
+            # Add "0' - " when we have inches but no feet
+            # But only add " - " separator if we actually have inches to show
+            if not feet and add_inches:
+                tx_dist += "0' - "
+            elif feet and add_inches:
                 tx_dist += " - "
+
             if not feet and value < 0:
                 tx_dist += "-"
             if add_inches:
-                if feet == 0 and inches == 0:
-                    pass
+                if feet == 0 and inches == 0 and not frac:
+                    # Special case: exactly zero, show "0"
+                    tx_dist += "0"
+                elif feet == 0 and inches == 0:
+                    pass  # Has fraction, will be added below
                 else:
                     tx_dist += str(inches)
             if add_inches and frac:
                 if feet == 0 and inches == 0:
-                    pass
+                    pass  # Has fraction, will be added below
                 else:
                     tx_dist += " "
             if frac:
                 tx_dist += str(frac) + "/" + str(base)
             if add_inches or frac:
-                tx_dist += '"'
+                # Only add inch symbol if we actually added inch content
+                if inches > 0 or frac > 0 or feet == 0:
+                    tx_dist += '"'
+
             if precision == "12" and unit_system == "IMPERIAL":
                 tx_dist = str(round(decFeet)) + "'"
+            if tx_dist == '"':
+                tx_dist = "0' - 0\""
         else:
             fmt = "%1.3f"
             sq_feet = round(value * toInches / inPerFoot, 4)
@@ -421,8 +491,8 @@ def ortho_view_frame(
 
     Similar to `bpy.types.Camera.view_frame`
 
-    :arg camera: camera of drawing
-    :arg margin: margins, in scene units
+    :param camera: camera of drawing
+    :param margin: margins, in scene units
     :return: (xmin, xmax, ymin, ymax, zmin, zmax) in local camera coordinates
     """
     props = tool.Drawing.get_camera_props(camera)
@@ -443,8 +513,8 @@ def almost_zero(v):
 def clip_segment(bounds, segm):
     """Clipping line segment to bounds
 
-    :arg bounds: (xmin, xmax, ymin, ymax)
-    :arg segm: 2 vertices of the segment
+    :param bounds: (xmin, xmax, ymin, ymax)
+    :param segm: 2 vertices of the segment
     :return: 2 new vertices of segment or None if segment outside the bounding box
     """
     # Liang–Barsky algorithm
@@ -493,8 +563,8 @@ def clip_segment(bounds, segm):
 def elevate_segment(bounds, segm):
     """Elevate line xy-perpendicular segment vertically
 
-    :arg bounds: (xmin, xmax, ymin, ymax)
-    :arg segm: 2 vertices of the segment
+    :param bounds: (xmin, xmax, ymin, ymax)
+    :param segm: 2 vertices of the segment
     :return: 2 new vertices of segment or None if segment outside the bounding box
     """
     _, _, ymin, ymax, zmin, _ = bounds
@@ -544,13 +614,11 @@ def add_newline_between_words(text: str, newline_at: int) -> str:
 def get_relative_z(obj: bpy.types.Object, element, abs_z: float) -> float:
     """Return relative Z of an element, accounting for its spatial container.
 
-    Args:
-        obj: The Blender object representing the element.
-        element: The IFC entity for the object.
-        abs_z: The absolute Z value in world coordinates.
+    :param obj: The Blender object representing the element.
+    :param element: The IFC entity for the object.
+    :param abs_z: The absolute Z value in world coordinates.
 
-    Returns:
-        Relative Z value if the element is inside a spatial container,
+    :return: Relative Z value if the element is inside a spatial container,
         otherwise the absolute Z.
     """
     z = abs_z

src/bonsai/bonsai/bim/module/drawing/operator.py

@@ -932,6 +932,31 @@ class CreateDrawing(bpy.types.Operator):
 
             return svg_path
 
+        # Add target_view and scale classes to the parent group from IFC data
+        if group is not None:
+            existing_classes = group.get("class", "").split()
+
+            # Add target_view class
+            if hasattr(self, "cprops") and getattr(self.cprops, "target_view", None):
+                target_view_class = tool.Drawing.canonicalise_class_name(str(self.cprops.target_view))
+                target_view_full_class = f"target-view-{target_view_class}"
+                if target_view_full_class not in existing_classes:
+                    existing_classes.append(target_view_full_class)
+
+            # Add scale class from EPset_Drawing.Scale
+            drawing_pset = ifcopenshell.util.element.get_pset(self.camera_element, "EPset_Drawing")
+            if drawing_pset and drawing_pset.get("Scale"):
+                scale_value = drawing_pset["Scale"]
+                # Remove "1/" prefix if it exists
+                if isinstance(scale_value, str) and scale_value.startswith("1/"):
+                    scale_value = scale_value[2:]
+                scale_class = tool.Drawing.canonicalise_class_name(str(scale_value))
+                scale_full_class = f"scale-{scale_class}"
+                if scale_full_class not in existing_classes:
+                    existing_classes.append(scale_full_class)
+
+            group.set("class", " ".join(existing_classes))
+
         if self.cprops.cut_mode == "BISECT":
             self.remove_cut_linework(root)
             self.generate_bisect_linework(context, root)
@@ -1287,11 +1312,6 @@ class CreateDrawing(bpy.types.Operator):
                     tool.Drawing.canonicalise_class_name(key) + "-" + tool.Drawing.canonicalise_class_name(str(value))
                 )
 
-        # ─── Target View ───────────────────────────────────────────
-        if getattr(self.cprops, "target_view", None):
-            target_view_class = tool.Drawing.canonicalise_class_name(str(self.cprops.target_view))
-            classes.append(f"target-view-{target_view_class}")
-
         return classes
 
     def is_manifold(self, obj) -> bool:
@@ -2701,21 +2721,59 @@ class ActivateDrawingStyle(bpy.types.Operator, tool.Ifc.Operator):
     def set_raster_style(self, context: bpy.types.Context) -> None:
         scene = context.scene  # Do not remove. It is used in exec later
         assert (space := tool.Blender.get_view3d_space())  # Do not remove. It is used in exec later
-        style = json.loads(self.drawing_style.raster_style)
+        style: dict[str, Any] = json.loads(self.drawing_style.raster_style)
+
+        VIEWPORT_SHADING_TYPE = "scene.display.shading.type"
 
         def preprocess(path: str, value: Any) -> tuple[str, Any, bool, bool]:
             warning = False
             skip = False
-            # @25.05.12
-            if path == "scene.render.engine" and value == "BLENDER_EEVEE":
-                value = "BLENDER_EEVEE_NEXT"
+
+            BLENDER_5_REMOVED = (
+                "scene.render.bake_bias",
+                "scene.render.bake_margin",
+                "scene.render.bake_margin_type",
+                "scene.render.bake_samples",
+                "scene.render.bake_type",
+                "scene.render.bake_user_scale",
+                "scene.render.use_bake_clear",
+                "scene.render.use_bake_lores_mesh",
+                "scene.render.use_bake_multires",
+                "scene.render.use_bake_selected_to_active",
+                "scene.render.use_bake_user_scale",
+            )
+
+            # 25.11.07, Blender 5+
+            if path == "scene.render.engine" and value in ("BLENDER_EEVEE", "BLENDER_EEVEE_NEXT"):
+                if value == "BLENDER_EEVEE_NEXT":
+                    print(
+                        f"Warning: Value 'BLENDER_EEVEE_NEXT' is outdated for property '{path}' "
+                        "since Blender 5.0 and should be replaced with 'BLENDER_EEVEE' in shading_styles.json."
+                    )
+                    warning = True
+                value = tool.Blender.get_eevee_name()
+            elif tool.Blender.BLENDER_5 and path in BLENDER_5_REMOVED:
                 print(
-                    f"Warning: Value 'BLENDER_EEVEE' is outdated for property '{path}' "
-                    "since Blender 4.2 and should be replaced with 'BLENDER_EEVEE_NEXT' in shading_styles.json."
+                    f"Warning: Property '{path}' is removed "
+                    "since Blender 5.0 and should be also removed from shading_styles.json."
+                )
+                warning = True
+                skip = True
+            # @25.11.11
+            elif (
+                path == "scene.display.shading.studio_light"
+                and value == "Default"
+                and style[VIEWPORT_SHADING_TYPE] in ("RENDERED", "MATERIAL")
+            ):
+                value = "forest.exr"
+                print(
+                    f"Warning: Value 'Default' for property '{path}' and "
+                    f"'{VIEWPORT_SHADING_TYPE}' = '{style[VIEWPORT_SHADING_TYPE]}' is outdated "
+                    "and should be replaced with 'forest.exr' in shading_styles.json."
                 )
                 warning = True
             # @25.05.12
-            if path == "scene.display.shading.wireframe_color_type" and value == "MATERIAL":
+            elif path == "scene.display.shading.wireframe_color_type" and value == "MATERIAL":
                 value = "THEME"
                 print(
                     f"Warning: Value 'MATERIAL' is outdated for property '{path}' "
@@ -2749,7 +2807,16 @@ class ActivateDrawingStyle(bpy.types.Operator, tool.Ifc.Operator):
 
             return path, value, warning, skip
 
-        for path, value in style.items():
+        paths = list(style.keys())
+        PRIORITY_PATHS = (
+            # `scene.display.shading.studio_light` values depend on `.type`
+            # so we got to set it first.
+            VIEWPORT_SHADING_TYPE,
+        )
+        paths.sort(key=lambda p: p not in PRIORITY_PATHS)
+
+        for path in paths:
+            value = style[path]
             path, value, warning, skip = preprocess(path, value)
             self.has_warnings_during_activation |= warning
 
@@ -3414,6 +3481,15 @@ class LoadDrawings(bpy.types.Operator, tool.Ifc.Operator):
 
     bl_options = {"REGISTER", "UNDO"}
 
+    @classmethod
+    def poll(cls, context):
+        # Operator is not accessible through UI if IFC project is not saved,
+        # but adding poll check to avoid using Drawings UI in scripts with unsaved project.
+        if tool.Ifc.get_path():
+            return True
+        cls.poll_message_set("IFC project is not saved.")
+        return False
+
     def _execute(self, context):
         core.load_drawings(tool.Drawing)
 

src/bonsai/bonsai/bim/module/drawing/scheduler.py

@@ -544,11 +544,10 @@ class Scheduler:
         """
         Adds text to svg.
 
-        Args:
-            p_tags: list of cell's P tags from odt file
-            box_alignment: alignment of text in box
-            wrap_text: if True, text will be wrapped to fit in cell
-            cell_width: width of cell, used for wrapping text
+        :param p_tags: list of cell's P tags from odt file
+        :param box_alignment: alignment of text in box
+        :param wrap_text: if True, text will be wrapped to fit in cell
+        :param cell_width: width of cell, used for wrapping text
         """
         text_lines = [str(p) for p in p_tags]
         box_alignment_params = SvgWriter.get_box_alignment_parameters(box_alignment)

src/bonsai/bonsai/bim/module/drawing/sheeter.py

@@ -341,17 +341,29 @@ class SheetBuilder:
         assert style_data is not None
         text = ""
         brackets_level = 0
+        selector_buffer = ""  # Buffer to accumulate selectors across lines
+
         for l in style_data:
             if l == "{":
                 if brackets_level == 0:
-                    cur_line = text.splitlines()[-1]
-                    text = text[: -len(cur_line)]
+                    # Get all accumulated selector text (may span multiple lines)
+                    # Find where the last rule ended (after last }) or start of text
+                    last_close = text.rfind("}")
+                    if last_close == -1:
+                        selector_text = text
+                        text = ""
+                    else:
+                        selector_text = text[last_close + 1 :]
+                        text = text[: last_close + 1]
+
+                    # Process all selectors (split by comma)
                     css_selectors = []
-                    # making sure cases like "text, tspan" will be
-                    # converted to "text.prefix, tspan.prefix"
-                    for css_selector in cur_line.split(","):
-                        css_selector = f"{css_selector.strip()}.{prefix}"
-                        css_selectors.append(css_selector)
+                    for css_selector in selector_text.split(","):
+                        css_selector = css_selector.strip()
+                        if css_selector:  # Only process non-empty selectors
+                            css_selector = f"{css_selector}.{prefix}"
+                            css_selectors.append(css_selector)
+
                     text += ", ".join(css_selectors) + " "
                 brackets_level += 1
             elif l == "}":

src/bonsai/bonsai/bim/module/drawing/svgwriter.py

@@ -202,6 +202,15 @@ class SvgWriter:
     ) -> Self:
         self.precision = precision
         self.decimal_places = decimal_places
+
+        # Sort annotations to ensure FILLAREA types are drawn first (at the bottom)
+        def sort_key(element):
+            predefined_type = ifcopenshell.util.element.get_predefined_type(element)
+            # Return 0 for FILLAREA to draw them first, 1 for everything else
+            return 0 if predefined_type == "FILL_AREA" else 1
+
+        annotations = sorted(annotations, key=sort_key)
+
         for element in annotations:
             obj = tool.Ifc.get_object(element)
             if (

src/bonsai/bonsai/bim/module/drawing/ui.py

@@ -116,7 +116,7 @@ class BIM_PT_camera(Panel):
         # See #6686.
         if (
             props.has_underlay
-            and str(render.engine) == "BLENDER_EEVEE_NEXT"
+            and str(render.engine) == tool.Blender.get_eevee_name()
             and ((megapixels := (render.resolution_x * render.resolution_y / 10**6)) > MEGAPIXELS_WARNING_THRESHOLD)
         ):
             box = self.layout.box()

src/bonsai/bonsai/bim/module/geometry/__init__.py

@@ -30,6 +30,7 @@ classes = (
     operator.AddSweptAreaSolidItem,
     operator.AssignRepresentationLayer,
     operator.CopyRepresentation,
+    operator.DirectProfileEdit,
     operator.DisableEditingRepresentationItemShapeAspect,
     operator.DisableEditingRepresentationItemStyle,
     operator.DisableEditingRepresentationItems,
@@ -160,6 +161,8 @@ def register():
         addon_keymaps.append((km, kmi))
         kmi = km.keymap_items.new("bim.override_mode_set_edit", "TAB", "PRESS")
         addon_keymaps.append((km, kmi))
+        kmi = km.keymap_items.new("bim.direct_profile_edit", "SPACE", "PRESS")
+        addon_keymaps.append((km, kmi))
         # Deletion.
         kmi = km.keymap_items.new("bim.override_object_delete", "X", "PRESS")
         addon_keymaps.append((km, kmi))
@@ -178,6 +181,8 @@ def register():
         kmi = km.keymap_items.new("bim.override_mode_set_object", "TAB", "PRESS")
         kmi.properties.should_save = True
         addon_keymaps.append((km, kmi))
+        kmi = km.keymap_items.new("bim.direct_profile_edit", "SPACE", "PRESS")
+        addon_keymaps.append((km, kmi))
         kmi = km.keymap_items.new("wm.call_menu", "P", "PRESS")
         kmi.properties.name = ui.BIM_MT_hotkey_separate.bl_idname
         addon_keymaps.append((km, kmi))

src/bonsai/bonsai/bim/module/geometry/operator.py

@@ -42,6 +42,7 @@ import bonsai.core.geometry
 import bonsai.core.geometry as core
 import bonsai.core.aggregate
 import bonsai.core.nest
+import bonsai.core.spatial
 import bonsai.core.style
 import bonsai.core.root
 import bonsai.core.drawing
@@ -809,9 +810,17 @@ class OverrideDelete(bpy.types.Operator):
 
     @classmethod
     def poll(cls, context):
-        return len(context.selected_objects) > 0
+        # Match `object.delete` poll for consistency.
+        # `object.delete` poll just checks for OBJECT mode.
+        poll = bpy.ops.object.delete.poll()
+        if poll:
+            return True
+        cls.poll_message_set("Only available in OBJECT mode")
+        return False
 
     def execute(self, context):
+        if not context.selected_objects:
+            return {"FINISHED"}
         # Deep magick from the dawn of time
         if tool.Ifc.get() is None:
             bpy.ops.object.delete(use_global=self.use_global, confirm=self.confirm)
@@ -823,6 +832,8 @@ class OverrideDelete(bpy.types.Operator):
             return IfcStore.execute_ifc_operator(self, context)
 
     def invoke(self, context, event):
+        if not context.selected_objects:
+            return {"FINISHED"}
         assert context.window_manager
         ifc_file = tool.Ifc.get()
         if ifc_file is None:
@@ -964,6 +975,10 @@ class OverrideDelete(bpy.types.Operator):
             except:
                 continue
 
+            # Skip spatial elements - they should not be deleted even if empty
+            if aggregate.is_a("IfcSpatialElement"):
+                continue
+
             related_objects = ifcopenshell.util.element.get_parts(aggregate)
             if len(related_objects) == 0:
                 aggregate_name = aggregate.Name or f"{aggregate.is_a()} #{aggregate.id()}"
@@ -1030,9 +1045,18 @@ class OverrideOutlinerDelete(bpy.types.Operator, tool.Ifc.Operator):
 
     @classmethod
     def poll(cls, context) -> bool:
-        return len(getattr(context, "selected_ids", [])) > 0
+        # Match `outliner.delete` poll for consistency.
+        # `outliner.delete` just checks `area.type` == `OUTLINER`.
+        poll = bpy.ops.outliner.delete.poll()
+        if poll:
+            return True
+        cls.poll_message_set("Only available from Outliner.")
+        return False
 
     def execute(self, context):
+        if len(getattr(context, "selected_ids", [])) == 0:
+            return {"FINISHED"}
+
         # In this override, we don't check self.hierarchy. This effectively
         # makes Delete and Delete Hierarchy identical. This is on purpose, since
         # non-hierarchical deletion may imply a whole bunch of potentially
@@ -1051,6 +1075,9 @@ class OverrideOutlinerDelete(bpy.types.Operator, tool.Ifc.Operator):
         return {"FINISHED"}
 
     def invoke(self, context, event):
+        if len(getattr(context, "selected_ids", [])) == 0:
+            return {"FINISHED"}
+
         assert context.window_manager
         ifc_file = tool.Ifc.get()
         if ifc_file:
@@ -1121,10 +1148,18 @@ class OverrideDuplicateMove(bpy.types.Operator):
     is_interactive: bpy.props.BoolProperty(name="Is Interactive", default=True)
 
     @classmethod
-    def poll(cls, context):
-        return len(context.selected_objects) > 0
+    def poll(cls, context) -> bool:
+        # Match `object.duplicate_move` poll for consistency.
+        # `object.duplicate_move` poll checks for OBJECT mode.
+        poll = bpy.ops.object.duplicate_move.poll()
+        if poll:
+            return True
+        cls.poll_message_set("Only available in OBJECT mode")
+        return False
 
     def execute(self, context):
+        if not context.selected_objects:
+            return {"FINISHED"}
         return OverrideDuplicateMove.execute_duplicate_operator(self, context, linked=False)
 
     def _execute(self, context):
@@ -1147,7 +1182,7 @@ class OverrideDuplicateMove(bpy.types.Operator):
 
     @staticmethod
     def execute_ifc_duplicate_operator(operator: bpy.types.Operator, context: bpy.types.Context, linked: bool = False):
-        objects_to_remove = set()
+        objects_to_remove: set[bpy.types.Object] = set()
 
         for obj in context.selected_objects:
             element = tool.Ifc.get_entity(obj)
@@ -1205,6 +1240,9 @@ class DuplicateMoveLinkedAggregateMacro(bpy.types.Macro):
     bl_options = {"REGISTER", "UNDO"}
 
 
+OldToNewType = dict[ifcopenshell.entity_instance, list[ifcopenshell.entity_instance]]
+
+
 class DuplicateMoveLinkedAggregate(bpy.types.Operator):
     bl_idname = "bim.object_duplicate_move_linked_aggregate"
     bl_label = "IFC Duplicate and Move Linked Aggregate"
@@ -1227,9 +1265,9 @@ class DuplicateMoveLinkedAggregate(bpy.types.Operator):
         self.new_active_obj = None
         self.group_name = "BBIM_Linked_Aggregate"
         self.pset_name = "BBIM_Linked_Aggregate"
-        old_to_new = {}
+        all_old_to_new = {}  # Track all duplicates created
 
-        def select_objects_and_add_data(element):
+        def select_objects_and_add_data(element: ifcopenshell.entity_instance) -> None:
             add_linked_aggregate_group(element)
             obj = tool.Ifc.get_object(element)
             obj.select_set(True)
@@ -1243,8 +1281,6 @@ class DuplicateMoveLinkedAggregate(bpy.types.Operator):
                         select_objects_and_add_data(part)
                     else:
                         index = add_linked_aggregate_pset(part, index)
-                        # index += 1
-
                     obj = tool.Ifc.get_object(part)
                     obj.select_set(True)
 
@@ -1257,20 +1293,15 @@ class DuplicateMoveLinkedAggregate(bpy.types.Operator):
 
             if not pset:
                 pset = ifcopenshell.api.pset.add_pset(ifc_file, product=element, name=self.pset_name)
-
                 ifcopenshell.api.pset.edit_pset(
                     ifc_file,
                     pset=pset,
                     properties=properties,
                 )
-
                 index += 1
-            else:
-                pass
-
             return index
 
-        def add_linked_aggregate_group(element):
+        def add_linked_aggregate_group(element: ifcopenshell.entity_instance) -> None:
             linked_aggregate_group = None
             product_groups_name = [
                 r.RelatingGroup.Name
@@ -1283,25 +1314,21 @@ class DuplicateMoveLinkedAggregate(bpy.types.Operator):
             linked_aggregate_group = ifcopenshell.api.group.add_group(ifc_file, name=self.group_name)
             ifcopenshell.api.group.assign_group(ifc_file, products=[element], group=linked_aggregate_group)
 
-        def custom_incremental_naming_for_element_assembly(old_to_new):
+        def custom_incremental_naming_for_element_assembly(old_to_new: OldToNewType) -> None:
             for new in old_to_new.values():
                 if new[0].is_a("IfcElementAssembly"):
-                    group_elements: list[ifcopenshell.entity_instance] = next(
-                        r.RelatedObjects
-                        for r in getattr(new[0], "HasAssignments", []) or []
-                        if r.is_a("IfcRelAssignsToGroup")
-                        if "BBIM_Linked_Aggregate" in r.RelatingGroup.Name
-                    )
-
                     pset = ifcopenshell.util.element.get_pset(new[0], "BBIM_Linked_Aggregate")
                     new_obj = tool.Ifc.get_object(new[0])
-                    new_obj.name = pset["Name"] + "_" + str(pset["Aggregate_Index"])
+                    new_obj.name = f"{pset['Name']}_{pset['Aggregate_Index']:02d}"
 
         def get_max_index(parts):
-            psets = [ifcopenshell.util.element.get_pset(p, "BBIM_Linked_Aggregate") for p in parts]
-            index = [i["Index"] for i in psets if i]
-            if len(index) > 0:
-                index = max(index)
+            psets = [
+                ifcopenshell.util.element.get_pset(p, "BBIM_Linked_Aggregate")
+                for p in parts
+                if ifcopenshell.util.element.get_pset(p, "BBIM_Linked_Aggregate")
+            ]
+            if psets:
+                index = max([i["Index"] for i in psets if i])
                 return index
             else:
                 return 0
@@ -1315,23 +1342,28 @@ class DuplicateMoveLinkedAggregate(bpy.types.Operator):
                         if r.is_a("IfcRelAssignsToGroup")
                         if "BBIM_Linked_Aggregate" in r.RelatingGroup.Name
                     ]
-                    ifcopenshell.api.group.assign_group(ifc_file, group=linked_aggregate_group[0], products=new)
-
-                    group_elements: list[ifcopenshell.entity_instance] = next(
-                        r.RelatedObjects
-                        for r in getattr(new[0], "HasAssignments", []) or []
-                        if r.is_a("IfcRelAssignsToGroup")
-                        if "BBIM_Linked_Aggregate" in r.RelatingGroup.Name
-                    )
+                    if linked_aggregate_group:
+                        ifcopenshell.api.group.assign_group(ifc_file, group=linked_aggregate_group[0], products=new)
 
                 pset = ifcopenshell.util.element.get_pset(old, "BBIM_Linked_Aggregate")
                 if pset:
                     new_pset = ifcopenshell.api.pset.add_pset(ifc_file, product=new[0], name=self.pset_name)
                     if pset["Index"] == 0:
+                        group_elements = []
+                        if new[0].is_a("IfcElementAssembly"):
+                            group_elements = next(
+                                (
+                                    r.RelatedObjects
+                                    for r in getattr(new[0], "HasAssignments", []) or []
+                                    if r.is_a("IfcRelAssignsToGroup")
+                                    and "BBIM_Linked_Aggregate" in r.RelatingGroup.Name
+                                ),
+                                [],
+                            )
                         properties = {
                             "Index": pset["Index"],
                             "Name": pset["Name"],
-                            "Aggregate_Index": len(group_elements) - 1,
+                            "Aggregate_Index": len(group_elements) - 1 if group_elements else 0,
                         }
                     else:
                         properties = {"Index": pset["Index"]}
@@ -1351,43 +1383,73 @@ class DuplicateMoveLinkedAggregate(bpy.types.Operator):
                 location_diff = new_obj.location - base_obj_location
                 new_obj.location = context.scene.cursor.location + location_diff
 
-        if len(context.selected_objects) != 1:
+        # Process multiple selected aggregates
+        selected_aggregates = []
+        for obj in context.selected_objects:
+            selected_element = tool.Ifc.get_entity(obj)
+            if not selected_element:
+                continue
+
+            # Find the aggregate element
+            if selected_element.is_a("IfcElementAssembly"):
+                selected_aggregates.append(selected_element)
+            elif selected_element.Decomposes:
+                if selected_element.Decomposes[0].RelatingObject.is_a("IfcElementAssembly"):
+                    selected_aggregates.append(selected_element.Decomposes[0].RelatingObject)
+
+        # Remove duplicates
+        selected_aggregates = list(set(selected_aggregates))
+
+        if not selected_aggregates:
+            self.report({"INFO"}, "No Linked Aggregates selected.")
             return {"FINISHED"}
 
-        selected_obj = context.selected_objects[0]
-        selected_element = tool.Ifc.get_entity(selected_obj)
-        assert selected_element
-
-        if selected_element.is_a("IfcElementAssembly"):
-            pass
-        elif selected_element.Decomposes:
-            if selected_element.Decomposes[0].RelatingObject.is_a("IfcElementAssembly"):
-                selected_element = selected_element.Decomposes[0].RelatingObject
-                selected_obj = tool.Ifc.get_object(selected_element)
-        else:
-            self.report({"INFO"}, "Object is not part of a IfcElementAssembly.")
-            return {"FINISHED"}
-
-        select_objects_and_add_data(selected_element)
-
-        old_to_new = OverrideDuplicateMove.execute_ifc_duplicate_operator(self, context, linked=True)
-
-        tool.Root.recreate_aggregate(old_to_new)
-
-        copy_linked_aggregate_data(old_to_new)
-
-        custom_incremental_naming_for_element_assembly(old_to_new)
-
-        if location_from_3d_cursor:
-            get_location_from_3d_cursor(old_to_new, selected_element)
-
+        # Deselect all first
         bpy.ops.object.select_all(action="DESELECT")
-        new_aggregate = old_to_new[selected_element][0]
-        tool.Blender.set_active_object(tool.Ifc.get_object(new_aggregate))
+
+        # Process each selected aggregate
+        for aggregate in selected_aggregates:
+            aggregate_obj = tool.Ifc.get_object(aggregate)
+
+            # Select and prepare the aggregate for duplication
+            select_objects_and_add_data(aggregate)
+
+            # Duplicate the aggregate
+            old_to_new = OverrideDuplicateMove.execute_ifc_duplicate_operator(self, context, linked=True)
+            all_old_to_new.update(old_to_new)  # Collect all duplicates
+
+            # Recreate aggregate structure
+            tool.Root.recreate_aggregate(old_to_new)
+
+            # Copy linked aggregate data
+            copy_linked_aggregate_data(old_to_new)
+
+            # Apply custom naming
+            custom_incremental_naming_for_element_assembly(old_to_new)
+
+            # Apply 3D cursor location if requested
+            if location_from_3d_cursor:
+                get_location_from_3d_cursor(old_to_new, aggregate)
+
+            # Deselect for next iteration
+            bpy.ops.object.select_all(action="DESELECT")
+
+        # Select all newly created aggregates
+        for aggregate in selected_aggregates:
+            if aggregate in all_old_to_new:
+                new_aggregate = all_old_to_new[aggregate][0]
+                new_aggregate_obj = tool.Ifc.get_object(new_aggregate)
+                if new_aggregate_obj:
+                    new_aggregate_obj.select_set(True)
+
+        # Set active object to the first new aggregate
+        if all_old_to_new:
+            first_new_aggregate = next(iter(all_old_to_new.values()))[0]
+            context.view_layer.objects.active = tool.Ifc.get_object(first_new_aggregate)
 
         bonsai.bim.handler.refresh_ui_data()
 
-        return old_to_new
+        return all_old_to_new
 
 
 class DuplicateLinkedAggregateTo3dCursor(bpy.types.Operator):
@@ -1423,7 +1485,7 @@ class RefreshLinkedAggregate(bpy.types.Operator, tool.Ifc.Operator):
         self.pset_name = "BBIM_Linked_Aggregate"
         refresh_start_time = time()
         old_to_new = {}
-        original_data: dict[int, dict[int, str]] = {}
+        original_data: dict[int, dict[int, dict[str, Any]]] = {}
 
         def delete_objects(element: ifcopenshell.entity_instance) -> None:
             """Remove IfcElementAssembly and it's parts."""
@@ -1469,8 +1531,8 @@ class RefreshLinkedAggregate(bpy.types.Operator, tool.Ifc.Operator):
                             )
                 tool.Blender.update_viewport()
 
-        def get_original_data(element: ifcopenshell.entity_instance) -> dict[int, dict[int, str]]:
-            group = next(
+        def get_original_data(element: ifcopenshell.entity_instance) -> dict[int, dict[int, dict[str, Any]]]:
+            group: int = next(
                 r.RelatingGroup
                 for r in getattr(element, "HasAssignments", []) or []
                 if r.is_a("IfcRelAssignsToGroup")
@@ -1478,8 +1540,8 @@ class RefreshLinkedAggregate(bpy.types.Operator, tool.Ifc.Operator):
             ).id()
             original_data[group] = {}
 
-            pset = ifcopenshell.util.element.get_pset(element, self.pset_name)
-            index = pset["Index"]
+            pset: dict[str, Any] = ifcopenshell.util.element.get_pset(element, self.pset_name)
+            index: int = pset["Index"]
             annotations = get_assignments(element)
             container = ifcopenshell.util.element.get_container(element)
             original_data[group][index] = {
@@ -1493,6 +1555,7 @@ class RefreshLinkedAggregate(bpy.types.Operator, tool.Ifc.Operator):
             if parts:
                 for part in parts:
                     if part.is_a("IfcElementAssembly"):
+                        # TODO: unused expression.
                         original_data | get_original_data(part)
                     else:
                         try:
@@ -2346,6 +2409,14 @@ class OverrideModeSetObject(bpy.types.Operator, tool.Ifc.Operator):
         props = tool.Geometry.get_geometry_props()
         item = tool.Geometry.get_active_representation(obj)
         assert item
+        
+        # Fix vertex order for annotation items
+        rep_obj = props.representation_obj
+        if rep_obj:
+            element = tool.Ifc.get_entity(rep_obj)
+            if element and self._is_annotation_object(element):
+                tool.Geometry.ensure_annotation_vertex_order(obj)
+        
         if tool.Geometry.is_meshlike_item(item):
             if tool.Geometry.is_geometric_data(obj.data) and (
                 item.is_a("IfcVertex") or item.is_a("IfcEdge") or obj.data.polygons
@@ -2485,6 +2556,289 @@ class OverrideModeSetObject(bpy.types.Operator, tool.Ifc.Operator):
             props.mode = "EDIT"
         props.is_changing_mode = False
 
+    def _is_annotation_object(self, element: ifcopenshell.entity_instance) -> bool:
+        """Check if element is an annotation object that needs vertex order preservation."""
+        if not element.is_a("IfcAnnotation"):
+            return False
+        
+        # Object types that have semantic vertex order (arrow direction, text position)
+        annotation_types_with_order = {
+            "TEXT_LEADER",
+            "DIMENSION",
+            "RADIUS", 
+            "DIAMETER",
+            "ANGLE",
+            "FALL",
+            "SLOPE_ANGLE",
+            "SLOPE_FRACTION",
+            "SLOPE_PERCENT",
+            "STAIR_ARROW",
+            "PLAN_LEVEL",
+            "SECTION_LEVEL",
+            "SECTION",
+            "ELEVATION",
+        }
+        
+        return element.ObjectType in annotation_types_with_order
+
+
+class DirectProfileEdit(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.direct_profile_edit"
+    bl_label = "IFC Direct Profile Edit"
+    bl_description = "Directly enter profile/axis edit mode, or exit back to object mode"
+    bl_options = {"REGISTER", "UNDO"}
+
+    @classmethod
+    def poll(cls, context):
+        # Only allow in OBJECT or EDIT modes
+        if context.mode not in ("OBJECT", "EDIT_MESH", "EDIT_CURVE"):
+            return False
+
+        # Must have an active object
+        if not context.active_object:
+            return False
+
+        # In edit mode, we're good to go (we'll exit)
+        if context.mode in ("EDIT_MESH", "EDIT_CURVE"):
+            return True
+
+        # In object mode, check if it's an editable object type
+        obj = context.active_object
+
+        # Only mesh and curve objects are editable
+        if obj.type not in ("MESH", "CURVE"):
+            return False
+
+        return True
+
+    def _execute(self, context):
+        # Ensure we're only working with the active object
+        # Deselect all other objects if multiple are selected
+        active_obj = context.active_object
+        if active_obj and context.mode == "OBJECT":
+            if len(context.selected_objects) > 1:
+                self.report(
+                    {"WARNING"},
+                    "Currently Direct Profile Edit only works on one object at a time. Operating on active object only.",
+                )
+                bpy.ops.object.select_all(action="DESELECT")
+                active_obj.select_set(True)
+                context.view_layer.objects.active = active_obj
+
+        # If we're already in edit mode, exit to object mode and SAVE changes
+        if context.mode in ("EDIT_MESH", "EDIT_CURVE"):
+            return self.handle_exit_edit_mode(context)
+
+        # We're in object mode, try to enter profile/axis edit
+        return self.handle_enter_edit_mode(context)
+
+    def handle_exit_edit_mode(self, context):
+        """Handle exiting from edit mode and saving changes."""
+        obj = context.active_object
+        if not obj:
+            return {"CANCELLED"}
+
+        # Check if we're editing a representation item
+        if tool.Geometry.is_representation_item(obj):
+            return self.exit_item_edit_mode(context, obj)
+
+        # Check if we're editing an element-level profile or axis
+        element = tool.Ifc.get_entity(obj)
+        if element and tool.Geometry.has_mesh_properties(obj.data):
+            return self.exit_element_edit_mode(context, obj, element)
+
+        # For other edit modes, use standard operator
+        return bpy.ops.bim.override_mode_set_object()
+
+    def exit_item_edit_mode(self, context, obj):
+        """Exit from SweptAreaSolid item editing."""
+        try:
+            item = tool.Geometry.get_active_representation(obj)
+            if not item or not item.is_a("IfcSweptAreaSolid"):
+                return bpy.ops.bim.override_mode_set_object()
+
+            # Use the standard save workflow for items
+            from bonsai.bim.module.model.decorator import ProfileDecorator
+
+            ProfileDecorator.uninstall()
+            tool.Blender.toggle_edit_mode(context)
+
+            profile = tool.Model.export_profile(obj)
+            if not profile:
+
+                def msg(self, context):
+                    self.layout.label(text="INVALID PROFILE")
+
+                context.window_manager.popup_menu(msg, title="Error", icon="ERROR")
+                tool.Blender.toggle_edit_mode(context)
+                ProfileDecorator.install(context)
+                return {"CANCELLED"}
+
+            old_profile = item.SweptArea
+            profile.ProfileName = old_profile.ProfileName
+
+            ifc_file = tool.Ifc.get()
+            for inverse in ifc_file.get_inverse(old_profile):
+                ifcopenshell.util.element.replace_attribute(inverse, old_profile, profile)
+
+            tool.Profile.replace_profile_in_profiles_ui(old_profile.id(), profile.id())
+            ifcopenshell.util.element.remove_deep2(ifc_file, old_profile)
+
+            props = tool.Geometry.get_geometry_props()
+            if props.representation_obj:
+                tool.Geometry.reload_representation(props.representation_obj)
+                tool.Geometry.disable_item_mode()
+
+            return {"FINISHED"}
+        except Exception as e:
+            self.report({"ERROR"}, f"Failed to save item changes: {str(e)}")
+            return {"CANCELLED"}
+
+    def exit_element_edit_mode(self, context, obj, element):
+        """Exit from element-level profile or axis editing."""
+        try:
+            mesh_props = tool.Geometry.get_mesh_props(obj.data)
+
+            # Check if we're editing axis
+            if mesh_props.subshape_type == "AXIS":
+                return bpy.ops.bim.edit_extrusion_axis()
+
+            # Otherwise, we're editing a profile
+            body = ifcopenshell.util.representation.get_representation(element, "Model", "Body", "MODEL_VIEW")
+            if body:
+                body = ifcopenshell.util.representation.resolve_representation(body)
+                extrusion = tool.Model.get_extrusion(body)
+                if extrusion:
+                    return bpy.ops.bim.edit_extrusion_profile()
+        except Exception as e:
+            self.report({"ERROR"}, f"Failed to save profile/axis changes: {str(e)}")
+            return {"CANCELLED"}
+
+        # Fallback to standard operator
+        return bpy.ops.bim.override_mode_set_object()
+
+    def handle_enter_edit_mode(self, context):
+        """Handle entering edit mode from object mode."""
+        obj = context.active_object
+        if not obj:
+            return {"CANCELLED"}
+
+        # Check if object has mesh or curve data
+        if not hasattr(obj, "data") or not obj.data:
+            self.report({"INFO"}, "Object has no editable data")
+            return {"CANCELLED"}
+
+        element = tool.Ifc.get_entity(obj)
+        if not element:
+            self.report({"INFO"}, "Active object is not an IFC element")
+            return {"CANCELLED"}
+
+        # Check if this is a LAYER2 element (wall, railing, etc.)
+        try:
+            material_usage = tool.Model.get_usage_type(element)
+        except:
+            material_usage = None
+
+        if material_usage == "LAYER2":
+            self.report({"ERROR"}, "LAYER2 elements (walls, railings, etc.) cannot use profile editing.")
+            return {"CANCELLED"}
+
+        # Try to get representation
+        try:
+            representation = tool.Geometry.get_active_representation(obj)
+        except:
+            representation = None
+
+        if not representation:
+            self.report({"INFO"}, "Object has no active representation")
+            return {"CANCELLED"}
+
+        # Check for PROFILE usage (beams, columns, members) - should edit axis
+        if material_usage == "PROFILE":
+            try:
+                return bpy.ops.bim.enable_editing_extrusion_axis()
+            except Exception as e:
+                self.report({"ERROR"}, f"Failed to enable axis editing: {str(e)}")
+                return {"CANCELLED"}
+
+        # Check if this is an element with an extrusion profile (LAYER3, etc)
+        try:
+            body = ifcopenshell.util.representation.get_representation(element, "Model", "Body", "MODEL_VIEW")
+            if body:
+                body = ifcopenshell.util.representation.resolve_representation(body)
+                extrusion = tool.Model.get_extrusion(body)
+                if extrusion and not tool.Geometry.is_representation_item(obj):
+                    return bpy.ops.bim.enable_editing_extrusion_profile()
+        except Exception as e:
+            self.report({"ERROR"}, f"Failed to enable profile editing: {str(e)}")
+            return {"CANCELLED"}
+
+        # Otherwise, try to enter item mode and edit SweptAreaSolid
+        return self.enter_item_edit_mode(context, obj)
+
+    def enter_item_edit_mode(self, context, obj):
+        """Enter item mode for SweptAreaSolid editing."""
+        try:
+            props = tool.Geometry.get_geometry_props()
+            if not props.representation_obj:
+                bpy.ops.bim.import_representation_items()
+                props = tool.Geometry.get_geometry_props()
+
+            # Find the SweptAreaSolid item
+            swept_solid_obj = None
+            for item_obj_data in props.item_objs:
+                item_obj = item_obj_data.obj
+                if not item_obj:
+                    continue
+                try:
+                    item = tool.Geometry.get_active_representation(item_obj)
+                    if item and item.is_a("IfcSweptAreaSolid"):
+                        swept_solid_obj = item_obj
+                        break
+                except:
+                    continue
+
+            if not swept_solid_obj:
+                self.report({"INFO"}, "No editable SweptAreaSolid item found")
+                tool.Geometry.disable_item_mode()
+                return {"CANCELLED"}
+
+            # Select and activate the swept solid object
+            bpy.ops.object.select_all(action="DESELECT")
+            swept_solid_obj.select_set(True)
+            context.view_layer.objects.active = swept_solid_obj
+
+            # Import the profile to prepare for editing
+            item = tool.Geometry.get_active_representation(swept_solid_obj)
+            if item and item.is_a("IfcSweptAreaSolid"):
+                profile = item.SweptArea
+                res = tool.Model.import_profile(profile, obj=swept_solid_obj)
+                if res is None:
+                    self.report({"ERROR"}, "Couldn't import profile for editing")
+                    tool.Geometry.disable_item_mode()
+                    return {"CANCELLED"}
+
+                tool.Ifc.link(item, swept_solid_obj.data)
+                tool.Blender.toggle_edit_mode(context)
+
+                from bonsai.bim.module.model.decorator import ProfileDecorator
+
+                ProfileDecorator.install(context)
+
+                if not bpy.app.background:
+                    tool.Blender.set_viewport_tool("bim.cad_tool")
+
+                return {"FINISHED"}
+        except Exception as e:
+            self.report({"ERROR"}, f"Failed to enter item edit mode: {str(e)}")
+            try:
+                tool.Geometry.disable_item_mode()
+            except:
+                pass
+            return {"CANCELLED"}
+
+        return {"CANCELLED"}
+
 
 class FlipObject(bpy.types.Operator):
     bl_idname = "bim.flip_object"
@@ -3053,6 +3407,17 @@ class ImportRepresentationItems(bpy.types.Operator, tool.Ifc.Operator):
 
         tool.Root.reload_item_decorator()
 
+        element = tool.Ifc.get_entity(obj)
+        if element and element.is_a("IfcAnnotation") and element.ObjectType in {
+            "TEXT_LEADER", "DIMENSION", "RADIUS", "DIAMETER", "ANGLE",
+            "FALL", "SLOPE_ANGLE", "SLOPE_FRACTION", "SLOPE_PERCENT",
+            "STAIR_ARROW", "PLAN_LEVEL", "SECTION_LEVEL", "SECTION", "ELEVATION"
+        }:
+            for item_obj_data in props.item_objs:
+                item_obj = item_obj_data.obj
+                if item_obj and isinstance(item_obj.data, bpy.types.Mesh) and item_obj.data.vertices:
+                    item_obj.data["bonsai_first_vert_co"] = item_obj.data.vertices[0].co[:]
+
 
 class UpdateItemAttributes(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.update_item_attributes"

src/bonsai/bonsai/bim/module/light/prop.py

@@ -96,11 +96,12 @@ def update_shadow_mode(self: "BIMSolarProperties", context: bpy.types.Context) -
         sun_props = tool.Blender.get_sun_props()
         assert sun_props
         if sun_props.sun_object is None:
-            bpy.ops.object.light_add(type="SUN", radius=1, align="WORLD", location=(0, 0, 0), scale=(1, 1, 1))
-            bpy.ops.object.move_to_collection(collection_index=0)
-            sun_props.sun_object = bpy.context.active_object
+            light = bpy.data.lights.new(name="Sun", type="SUN")
+            sun = bpy.data.objects.new("Sun", light)
+            context.scene.collection.objects.link(sun)
+            sun_props.sun_object = sun
         update_sun_path(self)
-        context.scene.render.engine = "BLENDER_EEVEE_NEXT"
+        context.scene.render.engine = tool.Blender.get_eevee_name()
         assert context.scene.display
         assert context.scene.display.shading
         context.scene.display.shading.light = "FLAT"

src/bonsai/bonsai/bim/module/light/ui.py

@@ -16,6 +16,7 @@
 # You should have received a copy of the GNU General Public License
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.
 
+import calendar
 import bpy
 import bonsai.tool as tool
 from typing import TYPE_CHECKING
@@ -192,24 +193,7 @@ class BIM_PT_solar(bpy.types.Panel):
         row = self.layout.row()
         row.prop(props, "year")
         row = self.layout.row(align=True)
-        row.prop(
-            props,
-            "month",
-            text={
-                1: "January",
-                2: "February",
-                3: "March",
-                4: "April",
-                5: "May",
-                6: "June",
-                7: "July",
-                8: "August",
-                9: "September",
-                10: "October",
-                11: "November",
-                12: "December",
-            }[props.month],
-        )
+        row.prop(props, "month", text=calendar.month_name[props.month])
         row.prop(props, "day")
 
         row = self.layout.row(align=True)

src/bonsai/bonsai/bim/module/model/__init__.py

@@ -161,6 +161,10 @@ classes = (
     stair.FinishEditingStair,
     stair.EnableEditingStair,
     stair.RemoveStair,
+    stair.ToggleStairTotalLengthLock,
+    stair.AdjustStairTreads,
+    stair.CycleStairType,
+    stair.GizmoStairEdition,
     sverchok_modifier.CreateNewSverchokGraph,
     sverchok_modifier.UpdateDataFromSverchok,
     sverchok_modifier.DeleteSverchokGraph,
@@ -172,12 +176,17 @@ classes = (
     window.FinishEditingWindow,
     window.EnableEditingWindow,
     window.RemoveWindow,
+    window.CycleWindowType,
+    window.GizmoWindowEdition,
     door.BIM_OT_add_door,
     door.AddDoor,
     door.CancelEditingDoor,
     door.FinishEditingDoor,
     door.EnableEditingDoor,
     door.RemoveDoor,
+    door.ToggleDoorSwing,
+    door.CycleDoorType,
+    door.GizmoDoorEdition,
     railing.BIM_OT_add_railing,
     railing.CopyRailingParameters,
     railing.AddRailing,

src/bonsai/bonsai/bim/module/model/door.py

@@ -33,13 +33,15 @@ import bonsai.core.geometry
 import bonsai.core.geometry as core
 import bonsai.core.root
 from bonsai.bim.module.model.window import create_bm_window, create_bm_box
+from bonsai.bim import gizmo
+from bonsai.bim.gizmo import GizmoPropConfig
 
 from mathutils import Vector, Matrix
-from typing import Union, Any, Optional
 
 import json
 import collections
 import collections.abc
+from typing import get_args
 
 V_ = tool.Blender.V_
 
@@ -192,8 +194,8 @@ def bm_mirror(
 def create_bm_extruded_profile(
     bm: bmesh.types.BMesh,
     points: list[Vector],
-    edges: Optional[list[tuple[int, int]]] = None,
-    faces: Optional[list[list[int]]] = None,
+    edges: list[tuple[int, int]] | None = None,
+    faces: list[list[int]] | None = None,
     position: Vector = V_(0, 0, 0).freeze(),
     magnitude: float = 1.0,
     extrusion_vector: Vector = V_(0, 0, 1).freeze(),
@@ -278,7 +280,7 @@ def create_bm_door_lining(
     new_faces = [bm.faces.new([new_verts[vi] for vi in face[1]]) for face in faces]
 
     extruded = bmesh.ops.extrude_face_region(bm, geom=new_faces)
-    extrusion_vector = Vector((0, 1, 0)) * depth
+    extrusion_vector = V_(0, 1, 0) * depth
     translate_verts = [v for v in extruded["geom"] if isinstance(v, bmesh.types.BMVert)]
     bmesh.ops.translate(bm, vec=extrusion_vector, verts=translate_verts)
 
@@ -291,6 +293,8 @@ def update_door_modifier_bmesh(context: bpy.types.Context) -> None:
     obj = context.active_object
     assert obj
     props = tool.Model.get_door_props(obj)
+    if not props.is_editing:
+        return
 
     overall_width = props.overall_width
     overall_height = props.overall_height
@@ -408,7 +412,10 @@ def update_door_modifier_bmesh(context: bpy.types.Context) -> None:
 
         if door_swing_type == "LEFT":
             bm_mirror(
-                bm, door_handle_verts, mirror_axes=V_(1, 0, 0), mirror_point=panel_position + V_(panel_size.x / 2, 0, 0)
+                bm,
+                door_handle_verts,
+                mirror_axes=V_(1, 0, 0),
+                mirror_point=panel_position + V_(panel_size.x / 2, 0, 0),
             )
 
         door_handle_mirrored_verts = bm_mirror(
@@ -467,6 +474,7 @@ def update_door_modifier_bmesh(context: bpy.types.Context) -> None:
     lining_offset_verts = lining_verts + door_verts + window_lining_verts + frame_verts + glass_verts
     bmesh.ops.translate(bm, vec=V_(0, lining_offset, 0), verts=lining_offset_verts)
     bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.0001)
+    bmesh.ops.recalc_face_normals(bm, faces=bm.faces)
 
     if bpy.context.active_object.mode == "EDIT":
         bmesh.update_edit_mesh(obj.data)
@@ -478,14 +486,14 @@ def update_door_modifier_bmesh(context: bpy.types.Context) -> None:
 
 class BIM_OT_add_door(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "mesh.add_door"
-    bl_label = "Door"
+    bl_label = "Add Door"
     bl_options = {"REGISTER", "UNDO"}
 
     @classmethod
-    def poll(cls, context):
+    def poll(cls, context: bpy.types.Context) -> bool:
         return tool.Ifc.get() and context.mode == "OBJECT"
 
-    def _execute(self, context):
+    def _execute(self, context: bpy.types.Context) -> set[str]:
         ifc_file = tool.Ifc.get()
         if not ifc_file:
             self.report({"ERROR"}, "You need to start IFC project first to create a door.")
@@ -528,6 +536,8 @@ class AddDoor(bpy.types.Operator, tool.Ifc.Operator):
         assert element
         props = tool.Model.get_door_props(obj)
 
+        tool.Blender.get_addon_preferences().default_parameters.door.copy_to(props)
+
         door_data = props.get_general_kwargs(convert_to_project_units=True)
         lining_props = props.get_lining_kwargs(convert_to_project_units=True)
         panel_props = props.get_panel_kwargs(convert_to_project_units=True)
@@ -546,7 +556,7 @@ class AddDoor(bpy.types.Operator, tool.Ifc.Operator):
         )
         update_door_modifier_representation(obj)
 
-    def _execute(self, context):
+    def _execute(self, context: bpy.types.Context) -> set[str]:
         for obj in tool.Blender.get_selected_objects():
             if not tool.Blender.Modifier.is_eligible_for_door_modifier(obj):
                 continue
@@ -557,6 +567,7 @@ class AddDoor(bpy.types.Operator, tool.Ifc.Operator):
 class CancelEditingDoor(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.cancel_editing_door"
     bl_label = "Cancel Editing Door on Selected Objects"
+    bl_description = "Cancel editing and revert door parameters to their previous values"
     bl_options = {"REGISTER", "UNDO"}
 
     def cancel_editing_door_on_object(self, obj: bpy.types.Object) -> None:
@@ -591,6 +602,7 @@ class CancelEditingDoor(bpy.types.Operator, tool.Ifc.Operator):
 class FinishEditingDoor(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.finish_editing_door"
     bl_label = "Finish Editing Door on Selected Objects"
+    bl_description = "Apply changes and finish editing door parameters"
     bl_options = {"REGISTER", "UNDO"}
 
     def finish_editing_door_on_object(self, obj):
@@ -627,6 +639,7 @@ class FinishEditingDoor(bpy.types.Operator, tool.Ifc.Operator):
 class EnableEditingDoor(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.enable_editing_door"
     bl_label = "Enable Editing Door on Selected Objects"
+    bl_description = "Enter edit mode to modify door parameters interactively"
     bl_options = {"REGISTER", "UNDO"}
 
     def edit_door_on_obj(self, obj):
@@ -670,3 +683,290 @@ class RemoveDoor(bpy.types.Operator, tool.Ifc.Operator):
         for obj in tool.Blender.get_selected_objects():
             self.remove_door_on_object(obj)
         return {"FINISHED"}
+
+
+class ToggleDoorSwing(bpy.types.Operator, tool.Ifc.Operator):
+    """Toggle door swing direction and optionally flip door geometry.
+
+    Shift+Click (when flip_geometry=True): Flip geometry only without changing door direction"""
+
+    bl_idname = "bim.toggle_door_swing"
+    bl_label = "Toggle Door Swing"
+    bl_options = {"REGISTER", "UNDO"}
+
+    flip_geometry: bpy.props.BoolProperty(name="Flip Geometry", default=False)
+    flip_local_axes: bpy.props.EnumProperty(
+        name="Flip Local Axes", items=(("XY", "XY", ""), ("YZ", "YZ", ""), ("XZ", "XZ", "")), default="XY"
+    )
+    skip_direction_change: bpy.props.BoolProperty(
+        name="Skip Direction Change", default=False, options={"HIDDEN", "SKIP_SAVE"}
+    )
+
+    def invoke(self, context, event):
+        self.skip_direction_change = event.shift
+        return self.execute(context)
+
+    def _toggle_swing_direction(self, obj: bpy.types.Object) -> bool:
+        """Toggle door swing direction between LEFT and RIGHT."""
+        props = tool.Model.get_door_props(obj)
+        current_type = props.door_type
+
+        if "LEFT" in current_type:
+            props.door_type = current_type.replace("LEFT", "RIGHT")
+            return True
+        elif "RIGHT" in current_type:
+            props.door_type = current_type.replace("RIGHT", "LEFT")
+            return True
+        return False
+
+    def _execute(self, context):
+        obj = tool.Blender.get_active_object()
+        if not obj:
+            return {"CANCELLED"}
+
+        element = tool.Ifc.get_entity(obj)
+        if not element:
+            return {"CANCELLED"}
+
+        is_door = tool.Blender.Modifier.is_door(element)
+
+        if self.flip_geometry:
+            tool.Geometry.flip_object(obj, self.flip_local_axes)
+            if not self.skip_direction_change and is_door:
+                self._toggle_swing_direction(obj)
+        elif is_door:
+            self._toggle_swing_direction(obj)
+        else:
+            return {"CANCELLED"}
+
+        return {"FINISHED"}
+
+
+class CycleDoorType(bpy.types.Operator, tool.Ifc.Operator):
+    """Cycle through available door types. Shift+click to cycle in reverse."""
+
+    bl_idname = "bim.cycle_door_type"
+    bl_label = "Cycle Door Type"
+    bl_options = {"REGISTER", "UNDO"}
+
+    reverse: bpy.props.BoolProperty(name="Reverse", default=False, options={"HIDDEN", "SKIP_SAVE"})
+
+    def invoke(self, context, event):
+        self.reverse = event.shift
+        return self.execute(context)
+
+    def _execute(self, context):
+        obj = tool.Blender.get_active_object()
+        if not obj:
+            return {"CANCELLED"}
+
+        element = tool.Ifc.get_entity(obj)
+        if not element or not tool.Blender.Modifier.is_door(element):
+            return {"CANCELLED"}
+
+        props = tool.Model.get_door_props(obj)
+        door_types = get_args(tool.Model.DoorType)
+        current_index = door_types.index(props.door_type) if props.door_type in door_types else 0
+        direction = -1 if self.reverse else 1
+        next_index = (current_index + direction) % len(door_types)
+        props.door_type = door_types[next_index]
+
+        return {"FINISHED"}
+
+
+class GizmoDoorEdition(bpy.types.GizmoGroup, gizmo.BaseParametricGizmoGroup):
+    bl_idname = "OBJECT_GGT_bim_door_edition"
+    bl_label = "Door Editing Gizmo"
+    bl_space_type = "VIEW_3D"
+    bl_region_type = "WINDOW"
+    bl_options = {"3D", "PERSISTENT"}
+
+    enable_editing_operator = "bim.enable_editing_door"
+    finish_editing_operator = "bim.finish_editing_door"
+    cancel_editing_operator = "bim.cancel_editing_door"
+    cycle_type_operator = "bim.cycle_door_type"
+
+    gizmo_props = [
+        GizmoPropConfig("overall_height", (0, 0, 1)),
+        GizmoPropConfig("overall_width", (1, 0, 0)),
+        GizmoPropConfig("threshold_thickness", (0, 0, 1)),
+        GizmoPropConfig("threshold_depth", (0, 1, 0)),
+        GizmoPropConfig("lining_depth", (0, 1, 0)),
+        GizmoPropConfig("lining_thickness", (-1, 0, 0)),
+        GizmoPropConfig("transom_offset", (0, 0, 1)),
+        GizmoPropConfig("transom_thickness", (0, 0, 1)),
+        GizmoPropConfig("casing_thickness", (-1, 0, 0)),
+        GizmoPropConfig("casing_depth", (0, 1, 0)),
+    ]
+
+    @classmethod
+    def is_element_type(cls, element) -> bool:
+        return tool.Blender.Modifier.is_door(element)
+
+    def get_props(self, obj):
+        return tool.Model.get_door_props(obj)
+
+    def get_gizmo_prefs(self):
+        prefs = tool.Blender.get_addon_preferences()
+        return prefs.gizmos.door
+
+    def should_hide_gizmo(self, attr_name, props):
+        """Door-specific visibility rules for gizmos."""
+        if not props.is_editing:
+            return True
+        if attr_name == "threshold_depth" and props.threshold_thickness == 0.0:
+            return True
+        if attr_name == "transom_offset" and props.transom_thickness == 0.0:
+            return True
+        if attr_name == "casing_thickness" and props.lining_offset != 0.0:
+            return True
+        if attr_name == "casing_depth" and (props.lining_offset != 0.0 or props.casing_thickness == 0.0):
+            return True
+        return False
+
+    def get_gizmo_matrix_overall_height(self, props):
+        translation = Matrix.Translation(V_(props.overall_width - 0.05, props.lining_offset, props.overall_height))
+        rotation = self.get_axis_rotation_matrix((0, 0, 1))
+        return translation @ rotation
+
+    def get_gizmo_matrix_overall_width(self, props):
+        translation = Matrix.Translation(V_(props.overall_width, props.lining_offset, props.overall_height - 0.05))
+        rotation = self.get_axis_rotation_matrix((1, 0, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_threshold_thickness(self, props):
+        translation = Matrix.Translation(
+            V_(
+                props.overall_width / 2,
+                props.threshold_offset + props.threshold_depth / 2 + props.lining_offset,
+                props.threshold_thickness,
+            )
+        )
+        rotation = self.get_axis_rotation_matrix((0, 0, 1))
+        return translation @ rotation
+
+    def get_gizmo_matrix_threshold_depth(self, props):
+        translation = Matrix.Translation(
+            V_(props.overall_width / 2, props.threshold_depth + props.lining_offset, props.threshold_thickness / 2)
+        )
+        rotation = self.get_axis_rotation_matrix((0, 1, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_lining_depth(self, props):
+        translation = Matrix.Translation(
+            V_(props.overall_width / 2, props.lining_depth + props.lining_offset, props.overall_height)
+        )
+        rotation = self.get_axis_rotation_matrix((0, 1, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_lining_thickness(self, props):
+        translation = Matrix.Translation(
+            V_(props.overall_width - props.lining_thickness, props.lining_depth / 2, props.overall_height / 2)
+        )
+        rotation = self.get_axis_rotation_matrix((-1, 0, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_transom_offset(self, props):
+        # Position at the bottom of the transom (transom extends upward from offset)
+        translation = Matrix.Translation(
+            V_(props.overall_width / 2, props.lining_offset, props.transom_offset)
+        )
+        rotation = self.get_axis_rotation_matrix((0, 0, 1))
+        return translation @ rotation
+
+    def get_gizmo_matrix_transom_thickness(self, props):
+        # Position at the top of the transom (offset + thickness)
+        translation = Matrix.Translation(
+            V_(props.overall_width / 2, props.lining_offset, props.transom_offset + props.transom_thickness)
+        )
+        rotation = self.get_axis_rotation_matrix((0, 0, 1))
+        return translation @ rotation
+
+    @staticmethod
+    def _get_casing_gizmo_base_position(props) -> tuple[float, float, float]:
+        """Get common base position for casing gizmos."""
+        x = -props.casing_thickness + props.lining_thickness
+        y_base = props.lining_depth + props.lining_offset
+        z = props.overall_height / 2
+        return x, y_base, z
+
+    def get_gizmo_matrix_casing_thickness(self, props):
+        x, y_base, z = self._get_casing_gizmo_base_position(props)
+        translation = Matrix.Translation(V_(x, y_base + props.casing_depth / 2, z))
+        rotation = self.get_axis_rotation_matrix((-1, 0, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_casing_depth(self, props):
+        x, y_base, z = self._get_casing_gizmo_base_position(props)
+        translation = Matrix.Translation(V_(x, y_base + props.casing_depth, z))
+        rotation = self.get_axis_rotation_matrix((0, 1, 0))
+        return translation @ rotation
+
+    def setup(self, context):
+        # Use base class methods for common gizmos
+        self.setup_property_gizmos(context)
+        self.setup_editing_gizmos(context)
+
+        # Door-specific: swing arc gizmos
+        prefs = tool.Blender.get_addon_preferences()
+        highlight_color = prefs.decorator_color_selected[:3]
+        inactive_color = prefs.decorator_color_background[:3]
+        special_color = prefs.decorator_color_special[:3]
+
+        self.gizmo_door_type = self.gizmos.new("VIEW3D_GT_arc")
+        self.gizmo_door_type.use_draw_scale = False
+        self.gizmo_door_type.color = special_color
+        self.gizmo_door_type.alpha = 0.5
+        self.gizmo_door_type.color_highlight = highlight_color
+        self.gizmo_door_type.prop_path = "BIMDoorProperties.door_type"
+        op = self.gizmo_door_type.target_set_operator("bim.toggle_door_swing")
+        op.flip_geometry = False
+
+        # Flip arc gizmo - mirrors the swing arc along X axis, flips door and toggles direction when clicked
+        self.gizmo_flip_arc = self.gizmos.new("VIEW3D_GT_arc")
+        self.gizmo_flip_arc.use_draw_scale = False
+        self.gizmo_flip_arc.color = inactive_color
+        self.gizmo_flip_arc.alpha = 0.5
+        self.gizmo_flip_arc.color_highlight = highlight_color
+        self.gizmo_flip_arc.prop_path = "BIMDoorProperties.door_type"
+        op = self.gizmo_flip_arc.target_set_operator("bim.toggle_door_swing")
+        op.flip_geometry = True
+        op.flip_local_axes = "XY"
+
+    def refresh(self, context):
+        obj = context.active_object
+        if not obj:
+            return
+
+        props = self.get_props(obj)
+        mw = obj.matrix_world
+        self.update_property_gizmos(mw, props)
+        self.update_swing_gizmos(mw, props)
+        self.update_editing_gizmos(context, mw, props)
+
+    def update_swing_gizmos(self, mw, props):
+        """Update swing gizmo position and color based on editing state."""
+        prefs = tool.Blender.get_addon_preferences()
+        door_gizmo_prefs = prefs.gizmos.door
+
+        self.gizmo_door_type.hide = not props.is_editing or not door_gizmo_prefs.swing_arc
+        self.gizmo_flip_arc.hide = not props.is_editing or not door_gizmo_prefs.flip_arc
+
+        # If both are hidden, no need to calculate transforms
+        if self.gizmo_door_type.hide and self.gizmo_flip_arc.hide:
+            return
+
+        # Calculate base swing transformation (common to both arcs)
+        swing_x_offset = props.overall_width if "RIGHT" in props.door_type else 0.0
+        base_swing_transform = Matrix.Translation(V_(swing_x_offset, props.lining_offset, 0)) @ Matrix.Scale(
+            props.overall_width, 4
+        )
+
+        if not self.gizmo_door_type.hide:
+            self.gizmo_door_type.matrix_basis = mw @ base_swing_transform
+            self.gizmo_door_type.color = prefs.decorations_colour[:3]
+
+        if not self.gizmo_flip_arc.hide:
+            # Mirror the flip arc along Y axis to show the opposite swing direction
+            mirror_y = Matrix.Scale(-1, 4, (0, 1, 0))
+            self.gizmo_flip_arc.matrix_basis = mw @ base_swing_transform @ mirror_y

src/bonsai/bonsai/bim/module/model/prop.py

@@ -217,7 +217,12 @@ class BIMModelProperties(PropertyGroup):
     rl3: bpy.props.FloatProperty(name="RL", default=1, subtype="DISTANCE", description="Z offset for space calculation")
     type_page: bpy.props.IntProperty(name="Type Page", default=1, min=1, update=update_type_page)
     x_angle: bpy.props.FloatProperty(
-        name="X Angle", default=0, subtype="ANGLE", min=math.radians(-180), max=math.radians(180), update=update_x_angle
+        name="X Angle",
+        default=0,
+        subtype="ANGLE",
+        min=math.radians(-180),
+        max=math.radians(180),
+        update=update_x_angle,
     )
     type_name: bpy.props.StringProperty(name="Name", default="TYPEX")
     boundary_class: bpy.props.EnumProperty(items=get_boundary_class, name="Boundary Class")
@@ -348,24 +353,136 @@ class BIMArrayProperties(PropertyGroup):
 
 
 def update_total_length_target(self: "BIMStairProperties", context: bpy.types.Context) -> None:
-    self["tread_run"] = self.total_length_target / (self.number_of_treads + 1)
+    """Update tread_run when total_length_target changes"""
+    # Calculate available length for default treads
+    available_length = self.total_length_target
+    n_default_treads = self.number_of_treads + 1  # number of risers
+
+    # Subtract custom first tread if not locked and not zero
+    if not self.custom_tread_lock and self.custom_first_last_tread_run[0] != 0:
+        available_length -= self.custom_first_last_tread_run[0]
+        n_default_treads -= 1
+
+    # Subtract custom last tread if not locked and not zero
+    if not self.custom_tread_lock and self.custom_first_last_tread_run[1] != 0:
+        available_length -= self.custom_first_last_tread_run[1]
+        n_default_treads -= 1
+
+    # Calculate tread_run for remaining treads
+    if n_default_treads > 0:
+        self["tread_run"] = available_length / n_default_treads
+    else:
+        # All treads are custom, just use target length
+        self["tread_run"] = self.total_length_target / (self.number_of_treads + 1)
 
 
 def update_tread_run(self: "BIMStairProperties", context: bpy.types.Context) -> None:
+    """Update either number_of_treads or total_length_target when tread_run changes"""
     if self.total_length_lock:
-        self["number_of_treads"] = int((self.total_length_target / self.tread_run) - 1)
+        # Calculate how much length custom treads take up
+        custom_length = 0
+        n_custom_treads = 0
+
+        if not self.custom_tread_lock:
+            if self.custom_first_last_tread_run[0] != 0:
+                custom_length += self.custom_first_last_tread_run[0]
+                n_custom_treads += 1
+            if self.custom_first_last_tread_run[1] != 0:
+                custom_length += self.custom_first_last_tread_run[1]
+                n_custom_treads += 1
+
+        # Calculate how many default treads fit in remaining space
+        available_length = self.total_length_target - custom_length
+        if self.tread_run > 0:
+            n_default_treads = available_length / self.tread_run
+            total_treads = n_default_treads + n_custom_treads
+            # number_of_treads = number_of_risers - 1
+            self["number_of_treads"] = int(total_treads - 1)
     else:
-        self["total_length_target"] = (self.number_of_treads + 1) * self.tread_run
+        # Calculate total length from current settings
+        n_default_treads = self.number_of_treads + 1
+        total_length = 0
+
+        if not self.custom_tread_lock:
+            if self.custom_first_last_tread_run[0] != 0:
+                total_length += self.custom_first_last_tread_run[0]
+                n_default_treads -= 1
+            if self.custom_first_last_tread_run[1] != 0:
+                total_length += self.custom_first_last_tread_run[1]
+                n_default_treads -= 1
+
+        total_length += n_default_treads * self.tread_run
+        self["total_length_target"] = total_length
 
 
 def update_number_of_treads(self: "BIMStairProperties", context: bpy.types.Context) -> None:
+    """Update either tread_run or total_length_target when number_of_treads changes"""
     if self.total_length_lock:
-        self["tread_run"] = self.total_length_target / (self.number_of_treads + 1)
+        # Calculate available length for default treads
+        available_length = self.total_length_target
+        n_default_treads = self.number_of_treads + 1
+
+        if not self.custom_tread_lock:
+            if self.custom_first_last_tread_run[0] != 0:
+                available_length -= self.custom_first_last_tread_run[0]
+                n_default_treads -= 1
+            if self.custom_first_last_tread_run[1] != 0:
+                available_length -= self.custom_first_last_tread_run[1]
+                n_default_treads -= 1
+
+        if n_default_treads > 0:
+            self["tread_run"] = available_length / n_default_treads
+        else:
+            self["tread_run"] = self.total_length_target / (self.number_of_treads + 1)
     else:
-        self["total_length_target"] = (self.number_of_treads + 1) * self.tread_run
+        # Calculate total length from current settings
+        n_default_treads = self.number_of_treads + 1
+        total_length = 0
+
+        if not self.custom_tread_lock:
+            if self.custom_first_last_tread_run[0] != 0:
+                total_length += self.custom_first_last_tread_run[0]
+                n_default_treads -= 1
+            if self.custom_first_last_tread_run[1] != 0:
+                total_length += self.custom_first_last_tread_run[1]
+                n_default_treads -= 1
+
+        total_length += n_default_treads * self.tread_run
+        self["total_length_target"] = total_length
 
 
-StairType = Literal["CONCRETE", "WOOD/STEEL", "GENERIC"]
+def update_custom_first_last_tread_run(self: "BIMStairProperties", context: bpy.types.Context) -> None:
+    """Update tread_run or total_length when custom treads change"""
+    if self.total_length_lock:
+        # Recalculate tread_run to maintain total length
+        available_length = self.total_length_target
+        n_default_treads = self.number_of_treads + 1
+
+        if not self.custom_tread_lock:
+            if self.custom_first_last_tread_run[0] != 0:
+                available_length -= self.custom_first_last_tread_run[0]
+                n_default_treads -= 1
+            if self.custom_first_last_tread_run[1] != 0:
+                available_length -= self.custom_first_last_tread_run[1]
+                n_default_treads -= 1
+
+        if n_default_treads > 0:
+            self["tread_run"] = available_length / n_default_treads
+    else:
+        # Recalculate total length
+        n_default_treads = self.number_of_treads + 1
+        total_length = 0
+
+        if not self.custom_tread_lock:
+            if self.custom_first_last_tread_run[0] != 0:
+                total_length += self.custom_first_last_tread_run[0]
+                n_default_treads -= 1
+            if self.custom_first_last_tread_run[1] != 0:
+                total_length += self.custom_first_last_tread_run[1]
+                n_default_treads -= 1
+
+        total_length += n_default_treads * self.tread_run
+        self["total_length_target"] = total_length
 
 
 class BIMStairProperties(PropertyGroup):
@@ -408,7 +525,7 @@ class BIMStairProperties(PropertyGroup):
     has_top_nib: bpy.props.BoolProperty(name="Has Top Nib", default=True)
     stair_type: bpy.props.EnumProperty(
         name="Stair Type",
-        items=[(i, i.replace("/", " / ").title(), "") for i in get_args(StairType)],
+        items=[(i, i.replace("/", " / ").title(), "") for i in get_args(tool.Model.StairType)],
         default="CONCRETE",
         update=validate_nosing_value,
     )
@@ -425,6 +542,7 @@ class BIMStairProperties(PropertyGroup):
         min=0,
         unit="LENGTH",
         size=2,
+        update=update_custom_first_last_tread_run,  # Added update callback
     )
     nosing_length: bpy.props.FloatProperty(
         name="Nosing Length",
@@ -492,16 +610,18 @@ class BIMStairProperties(PropertyGroup):
             }
             stair_kwargs.update(generic_props)
 
+        non_si_units_props = self.non_si_units_props
         # If locked, use tread_run for both first and last treads
         if self.custom_tread_lock:
-            stair_kwargs["custom_first_last_tread_run"] = (self.tread_run, self.tread_run)
+            non_si_units_props += ("custom_first_last_tread_run",)
+            stair_kwargs["custom_first_last_tread_run"] = (None, None)
         else:
             stair_kwargs["custom_first_last_tread_run"] = self.custom_first_last_tread_run
 
         if not convert_to_project_units:
             return stair_kwargs
 
-        stair_kwargs = tool.Model.convert_data_to_project_units(stair_kwargs, self.non_si_units_props)
+        stair_kwargs = tool.Model.convert_data_to_project_units(stair_kwargs, non_si_units_props)
         return stair_kwargs
 
     def get_props_kwargs_for_ifc_export(self, convert_to_project_units=False, stair_type=None):
@@ -513,18 +633,32 @@ class BIMStairProperties(PropertyGroup):
 
     def set_props_kwargs_from_ifc_data(self, kwargs):
         kwargs = tool.Model.convert_data_to_si_units(kwargs, self.non_si_units_props)
+        tread_run = kwargs.get("tread_run", 0.3)
 
         # Determine lock state based on whether custom treads match tread_run
         # If custom_tread_lock wasn't saved (old files), infer it from the data
         if "custom_tread_lock" not in kwargs:
             custom_treads = kwargs.get("custom_first_last_tread_run", (0.0, 0.0))
-            tread_run = kwargs.get("tread_run", 0.3)
             # Lock is off if either custom tread differs from tread_run and is not 0
-            kwargs["custom_tread_lock"] = not any(ct != 0.0 and ct != tread_run for ct in custom_treads)
+            kwargs["custom_tread_lock"] = all(ct not in (0.0, tread_run) for ct in custom_treads)
+
+        if "custom_first_last_tread_run" in kwargs:
+            custom_treads = kwargs["custom_first_last_tread_run"]
+            custom_treads = [tread_run if v is None else v for v in custom_treads]
+            kwargs["custom_first_last_tread_run"] = custom_treads
 
         for prop_name in kwargs:
             setattr(self, prop_name, kwargs[prop_name])
 
+    def copy_to(self, target_props: "BIMStairProperties") -> None:
+        """Copy preset values to target stair properties."""
+        target_props.custom_tread_lock = self.custom_tread_lock
+        for prop_name, prop_value in self.get_props_kwargs().items():
+            # Skip custom_first_last_tread_run if it contains None values (when lock is enabled)
+            if prop_name == "custom_first_last_tread_run" and None in prop_value:
+                continue
+            setattr(target_props, prop_name, prop_value)
+
 
 class BIMSverchokProperties(PropertyGroup):
     node_group: bpy.props.PointerProperty(name="Node Group", type=NodeTree)
@@ -537,19 +671,6 @@ def window_type_prop_update(self, context):
     update_window(self, context)
 
 
-WindowType = Literal[
-    "SINGLE_PANEL",
-    "DOUBLE_PANEL_HORIZONTAL",
-    "DOUBLE_PANEL_VERTICAL",
-    "TRIPLE_PANEL_BOTTOM",
-    "TRIPLE_PANEL_TOP",
-    "TRIPLE_PANEL_LEFT",
-    "TRIPLE_PANEL_RIGHT",
-    "TRIPLE_PANEL_HORIZONTAL",
-    "TRIPLE_PANEL_VERTICAL",
-]
-
-
 # default prop values are in mm and converted later
 class BIMWindowProperties(PropertyGroup):
     non_si_units_props = (
@@ -578,7 +699,7 @@ class BIMWindowProperties(PropertyGroup):
     is_editing: bpy.props.BoolProperty(default=False)
     window_type: bpy.props.EnumProperty(
         name="Window Type",
-        items=[(i, i, "") for i in get_args(WindowType)],
+        items=[(i, i, "") for i in get_args(tool.Model.WindowType)],
         default="SINGLE_PANEL",
         update=window_type_prop_update,
     )
@@ -588,9 +709,11 @@ class BIMWindowProperties(PropertyGroup):
     overall_width: bpy.props.FloatProperty(name="Overall Width", default=0.6, subtype="DISTANCE", update=update_window)
 
     # lining properties
-    lining_depth: bpy.props.FloatProperty(name="Lining Depth", default=0.050, subtype="DISTANCE", update=update_window)
+    lining_depth: bpy.props.FloatProperty(
+        name="Lining Depth", default=0.050, min=0.001, subtype="DISTANCE", update=update_window
+    )
     lining_thickness: bpy.props.FloatProperty(
-        name="Lining Thickness", default=0.050, subtype="DISTANCE", update=update_window
+        name="Lining Thickness", default=0.050, min=0.001, subtype="DISTANCE", update=update_window
     )
     lining_offset: bpy.props.FloatProperty(
         name="Lining Offset", default=0.050, subtype="DISTANCE", update=update_window
@@ -619,12 +742,13 @@ class BIMWindowProperties(PropertyGroup):
         update=update_window,
     )
     transom_thickness: bpy.props.FloatProperty(
-        name="Transom Thickness", default=0.050, subtype="DISTANCE", update=update_window
+        name="Transom Thickness", default=0.050, min=0.001, subtype="DISTANCE", update=update_window
     )
     first_transom_offset: bpy.props.FloatProperty(
         name="First Transom Offset",
         description="Distance from the first lining to the first transom center",
         default=0.3,
+        min=0.001,
         subtype="DISTANCE",
         update=update_window,
     )
@@ -651,7 +775,7 @@ class BIMWindowProperties(PropertyGroup):
 
     if TYPE_CHECKING:
         is_editing: bool
-        window_type: WindowType
+        window_type: tool.Model.WindowType
         overall_height: float
         overall_width: float
         lining_depth: float
@@ -685,7 +809,7 @@ class BIMWindowProperties(PropertyGroup):
         return tool.Model.convert_data_to_project_units(kwargs, ["window_type"])
 
     def get_lining_kwargs(
-        self, window_type: Optional[WindowType] = None, convert_to_project_units: bool = False
+        self, window_type: Optional[tool.Model.WindowType] = None, convert_to_project_units: bool = False
     ) -> dict[str, Any]:
         if not window_type:
             window_type = self.window_type
@@ -743,17 +867,13 @@ class BIMWindowProperties(PropertyGroup):
         for prop_name in kwargs:
             setattr(self, prop_name, kwargs[prop_name])
 
-
-DoorType = Literal[
-    "SINGLE_SWING_LEFT",
-    "SINGLE_SWING_RIGHT",
-    "DOUBLE_SWING_LEFT",
-    "DOUBLE_SWING_RIGHT",
-    "DOUBLE_DOOR_SINGLE_SWING",
-    "SLIDING_TO_LEFT",
-    "SLIDING_TO_RIGHT",
-    "DOUBLE_DOOR_SLIDING",
-]
+    def copy_to(self, target_props: "BIMWindowProperties") -> None:
+        """Copy preset values to target window properties, excluding materials."""
+        exclude_props = {"lining_material", "framing_material", "glazing_material"}
+        for kwargs_dict in (self.get_general_kwargs(), self.get_lining_kwargs(), self.get_panel_kwargs()):
+            for prop_name, prop_value in kwargs_dict.items():
+                if prop_name not in exclude_props:
+                    setattr(target_props, prop_name, prop_value)
 
 
 class BIMDoorProperties(PropertyGroup):
@@ -768,17 +888,39 @@ class BIMDoorProperties(PropertyGroup):
     is_editing: bpy.props.BoolProperty(default=False)
     door_type: bpy.props.EnumProperty(
         name="Door Operation Type",
-        items=tuple((i, i, "") for i in get_args(DoorType)),
+        items=tuple((i, i, "") for i in get_args(tool.Model.DoorType)),
         default="SINGLE_SWING_LEFT",
         update=update_door,
     )
-    overall_height: bpy.props.FloatProperty(name="Overall Height", default=2.0, subtype="DISTANCE", update=update_door)
-    overall_width: bpy.props.FloatProperty(name="Overall Width", default=0.9, subtype="DISTANCE", update=update_door)
+    overall_height: bpy.props.FloatProperty(
+        name="Overall Height",
+        default=2.0,
+        min=0,
+        subtype="DISTANCE",
+        update=update_door,
+    )
+    overall_width: bpy.props.FloatProperty(
+        name="Overall Width",
+        default=0.9,
+        min=0,
+        subtype="DISTANCE",
+        update=update_door,
+    )
 
     # lining properties
-    lining_depth: bpy.props.FloatProperty(name="Lining Depth", default=0.050, subtype="DISTANCE", update=update_door)
+    lining_depth: bpy.props.FloatProperty(
+        name="Lining Depth",
+        default=0.050,
+        min=0.001,
+        subtype="DISTANCE",
+        update=update_door,
+    )
     lining_thickness: bpy.props.FloatProperty(
-        name="Lining Thickness", default=0.050, subtype="DISTANCE", update=update_door
+        name="Lining Thickness",
+        default=0.050,
+        min=0.001,
+        subtype="DISTANCE",
+        update=update_door,
     )
     lining_offset: bpy.props.FloatProperty(
         name="Lining Offset",
@@ -800,6 +942,7 @@ class BIMDoorProperties(PropertyGroup):
         name="Transom Thickness",
         description="Set values > 0 to add a transom.\n" "`0.050 mm` is good as default value",
         default=0.000,
+        min=0,
         subtype="DISTANCE",
         update=update_door,
     )
@@ -807,6 +950,7 @@ class BIMDoorProperties(PropertyGroup):
         name="Transom Offset",
         description="Distance from the bottom door opening to the beginning of the transom (unlike windows)",
         default=1.525,
+        min=0,
         subtype="DISTANCE",
         update=update_door,
     )
@@ -815,20 +959,32 @@ class BIMDoorProperties(PropertyGroup):
         name="Casing Thickness",
         description="Set values > 0 and LiningOffset = 0 to add a casing.",
         default=0.075,
+        min=0,
+        subtype="DISTANCE",
+        update=update_door,
+    )
+    casing_depth: bpy.props.FloatProperty(
+        name="Casing Depth",
+        default=0.005,
+        min=0.001,
         subtype="DISTANCE",
         update=update_door,
     )
-    casing_depth: bpy.props.FloatProperty(name="Casing Depth", default=0.005, subtype="DISTANCE", update=update_door)
 
     threshold_thickness: bpy.props.FloatProperty(
         name="Threshold Thickness",
         description="Set values > 0 to add a threshold.",
         default=0.025,
+        min=0,
         subtype="DISTANCE",
         update=update_door,
     )
     threshold_depth: bpy.props.FloatProperty(
-        name="Threshold Depth", default=0.1, subtype="DISTANCE", update=update_door
+        name="Threshold Depth",
+        default=0.1,
+        min=0.001,
+        subtype="DISTANCE",
+        update=update_door,
     )
     threshold_offset: bpy.props.FloatProperty(
         name="Threshold Offset",
@@ -839,7 +995,13 @@ class BIMDoorProperties(PropertyGroup):
     )
 
     # panel properties
-    panel_depth: bpy.props.FloatProperty(name="Panel Depth", default=0.035, subtype="DISTANCE", update=update_door)
+    panel_depth: bpy.props.FloatProperty(
+        name="Panel Depth",
+        default=0.035,
+        min=0,
+        subtype="DISTANCE",
+        update=update_door,
+    )
     panel_width_ratio: bpy.props.FloatProperty(
         name="Panel Width Ratio",
         description="Width of this panel, given as ratio " "relative to the total clear opening width of the door",
@@ -849,10 +1011,18 @@ class BIMDoorProperties(PropertyGroup):
         update=update_door,
     )
     frame_thickness: bpy.props.FloatProperty(
-        name="Window Frame Thickness", default=0.035, subtype="DISTANCE", update=update_door
+        name="Window Frame Thickness",
+        default=0.035,
+        min=0,
+        subtype="DISTANCE",
+        update=update_door,
     )
     frame_depth: bpy.props.FloatProperty(
-        name="Window Frame Depth", default=0.035, subtype="DISTANCE", update=update_door
+        name="Window Frame Depth",
+        default=0.035,
+        min=0,
+        subtype="DISTANCE",
+        update=update_door,
     )
 
     # Material properties
@@ -862,7 +1032,7 @@ class BIMDoorProperties(PropertyGroup):
 
     if TYPE_CHECKING:
         is_editing: bool
-        door_type: DoorType
+        door_type: tool.Model.DoorType
         overall_height: float
         overall_width: float
 
@@ -960,6 +1130,14 @@ class BIMDoorProperties(PropertyGroup):
         for prop_name in kwargs:
             setattr(self, prop_name, kwargs[prop_name])
 
+    def copy_to(self, target_props: "BIMDoorProperties") -> None:
+        """Copy properties to target door properties, excluding materials."""
+        exclude_props = {"lining_material", "framing_material", "glazing_material"}
+        for kwargs_dict in (self.get_general_kwargs(), self.get_lining_kwargs(), self.get_panel_kwargs()):
+            for prop_name, prop_value in kwargs_dict.items():
+                if prop_name not in exclude_props:
+                    setattr(target_props, prop_name, prop_value)
+
 
 RailingType = Literal["FRAMELESS_PANEL", "WALL_MOUNTED_HANDRAIL"]
 CapType = Literal["TO_END_POST_AND_FLOOR", "TO_END_POST", "TO_FLOOR", "TO_WALL", "180", "NONE"]
@@ -1059,6 +1237,11 @@ class BIMRailingProperties(PropertyGroup):
         for prop_name in kwargs:
             setattr(self, prop_name, kwargs[prop_name])
 
+    def copy_to(self, target_props: "BIMRailingProperties") -> None:
+        """Copy preset values to target railing properties."""
+        for prop_name, prop_value in self.get_general_kwargs().items():
+            setattr(target_props, prop_name, prop_value)
+
 
 def to_angle(percentage: float) -> float:
     return math.atan(percentage / 100)
@@ -1161,6 +1344,11 @@ class BIMRoofProperties(PropertyGroup):
         for prop_name in kwargs:
             setattr(self, prop_name, kwargs[prop_name])
 
+    def copy_to(self, target_props: "BIMRoofProperties") -> None:
+        """Copy preset values to target roof properties."""
+        for prop_name, prop_value in self.get_general_kwargs().items():
+            setattr(target_props, prop_name, prop_value)
+
 
 class SnapMousePoint(PropertyGroup):
     x: bpy.props.FloatProperty(name="X")

src/bonsai/bonsai/bim/module/model/railing.py

@@ -106,6 +106,13 @@ def update_railing_modifier_ifc_data(context: bpy.types.Context) -> None:
         model_representation = ifcopenshell.api.geometry.add_railing_representation(ifc_file, **representation_data)
         tool.Model.replace_object_ifc_representation(body, obj, model_representation)
 
+        # recalculate normals to ensure correct shading
+        mesh = obj.data
+        if isinstance(mesh, bpy.types.Mesh):
+            bm = tool.Blender.get_bmesh_for_mesh(mesh, clean=False)
+            bmesh.ops.recalc_face_normals(bm, faces=bm.faces[:])
+            tool.Blender.apply_bmesh(mesh, bm)
+
     elif props.railing_type == "FRAMELESS_PANEL":
         tool.Model.add_body_representation(obj)
 
@@ -335,6 +342,8 @@ class AddRailing(bpy.types.Operator, tool.Ifc.Operator):
         props = tool.Model.get_railing_props(obj)
         si_conversion = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
 
+        tool.Blender.get_addon_preferences().default_parameters.railing.copy_to(props)
+
         railing_data = props.get_general_kwargs(convert_to_project_units=True)
         path_data = get_path_data(obj)
 

src/bonsai/bonsai/bim/module/model/roof.py

@@ -570,6 +570,8 @@ class AddRoof(bpy.types.Operator, tool.Ifc.Operator):
         props = tool.Model.get_roof_props(obj)
         si_conversion = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
 
+        tool.Blender.get_addon_preferences().default_parameters.roof.copy_to(props)
+
         # rejecting original roof shape to be safe
         # taking into account only it's bounding box dimensions
         if obj.dimensions.x == 0 or obj.dimensions.y == 0:

src/bonsai/bonsai/bim/module/model/stair.py

@@ -19,6 +19,7 @@
 import bpy
 import json
 import bmesh
+import math
 import ifcopenshell
 import ifcopenshell.api.pset
 import ifcopenshell.util.element
@@ -26,11 +27,14 @@ import ifcopenshell.util.representation
 import ifcopenshell.util.unit
 import bonsai.core.root
 import bonsai.tool as tool
-from mathutils import Vector
+from bonsai.bim import gizmo
+from bonsai.bim.gizmo import GizmoPropConfig
+from mathutils import Vector, Matrix
 from bmesh.types import BMVert
 from bpy.types import Operator
 from bpy.props import FloatProperty, IntProperty
 from bpy_extras.object_utils import AddObjectHelper, object_data_add
+from typing import get_args
 
 
 def regenerate_stair_mesh(obj: bpy.types.Object) -> None:
@@ -131,7 +135,7 @@ def update_ifc_stair_props(obj: bpy.types.Object) -> None:
 
 class BIM_OT_add_stair(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "mesh.add_stair"
-    bl_label = "Stair"
+    bl_label = "Add Stair"
     bl_options = {"REGISTER", "UNDO"}
 
     @classmethod
@@ -188,6 +192,8 @@ class AddStair(bpy.types.Operator, tool.Ifc.Operator):
         props = tool.Model.get_stair_props(obj)
         ifc_file = tool.Ifc.get()
 
+        tool.Blender.get_addon_preferences().default_parameters.stair.copy_to(props)
+
         # Use the special method that includes custom_tread_lock for IFC storage
         stair_data = props.get_props_kwargs_for_ifc_export(convert_to_project_units=True)
         pset = tool.Pset.get_element_pset(element, "BBIM_Stair")
@@ -291,3 +297,388 @@ class RemoveStair(bpy.types.Operator, tool.Ifc.Operator):
         ifcopenshell.api.pset.remove_pset(tool.Ifc.get(), product=element, pset=pset)
 
         return {"FINISHED"}
+
+
+class ToggleStairTotalLengthLock(bpy.types.Operator):
+    """Toggle the total length lock for stair editing"""
+
+    bl_idname = "bim.toggle_stair_total_length_lock"
+    bl_label = "Toggle Stair Total Length Lock"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        obj = context.active_object
+        if not obj:
+            return {"CANCELLED"}
+
+        props = tool.Model.get_stair_props(obj)
+        props.total_length_lock = not props.total_length_lock
+
+        return {"FINISHED"}
+
+
+class AdjustStairTreads(bpy.types.Operator):
+    """Adjust the number of treads"""
+
+    bl_idname = "bim.adjust_stair_treads"
+    bl_label = "Adjust Stair Treads"
+    bl_options = {"REGISTER", "UNDO"}
+
+    increment: IntProperty(name="Increment", default=1)
+
+    def execute(self, context):
+        obj = context.active_object
+        if not obj:
+            return {"CANCELLED"}
+
+        props = tool.Model.get_stair_props(obj)
+        new_value = props.number_of_treads + self.increment
+        if new_value >= 1:
+            props.number_of_treads = new_value
+
+        return {"FINISHED"}
+
+
+class CycleStairType(bpy.types.Operator):
+    """Cycle through stair types. Shift+click to cycle in reverse."""
+
+    bl_idname = "bim.cycle_stair_type"
+    bl_label = "Cycle Stair Type"
+    bl_options = {"REGISTER", "UNDO"}
+
+    reverse: bpy.props.BoolProperty(name="Reverse", default=False, options={"HIDDEN", "SKIP_SAVE"})
+
+    def invoke(self, context, event):
+        self.reverse = event.shift
+        return self.execute(context)
+
+    def execute(self, context):
+        obj = context.active_object
+        if not obj:
+            return {"CANCELLED"}
+
+        props = tool.Model.get_stair_props(obj)
+        stair_types = get_args(tool.Model.StairType)
+        current_idx = stair_types.index(props.stair_type) if props.stair_type in stair_types else 0
+        direction = -1 if self.reverse else 1
+        props.stair_type = stair_types[(current_idx + direction) % len(stair_types)]
+
+        return {"FINISHED"}
+
+
+class GizmoStairEdition(bpy.types.GizmoGroup, gizmo.BaseParametricGizmoGroup):
+    bl_idname = "OBJECT_GGT_bim_stair_edition"
+    bl_label = "Stair Editing Gizmo"
+    bl_space_type = "VIEW_3D"
+    bl_region_type = "WINDOW"
+    bl_options = {"3D", "PERSISTENT"}
+
+    # Gizmo layout offsets (meters)
+    GIZMO_X_OFFSET = 0.5  # Horizontal offset from stair end
+    GIZMO_PLUS_X_OFFSET = 0.25  # Additional X offset for plus button
+    GIZMO_MINUS_X_OFFSET = 0.5  # Additional X offset for minus button
+    GIZMO_BUTTON_Z_OFFSET = 0.15  # Vertical offset for +/- buttons above lock
+    GIZMO_CYCLE_Z_OFFSET = 0.5  # Vertical offset for cycle gizmo above lock
+
+    enable_editing_operator = "bim.enable_editing_stair"
+    finish_editing_operator = "bim.finish_editing_stair"
+    cancel_editing_operator = "bim.cancel_editing_stair"
+
+    gizmo_props = [
+        GizmoPropConfig("width", (0, 1, 0)),
+        GizmoPropConfig("height", (0, 0, 1)),
+        GizmoPropConfig("tread_run", (1, 0, 0)),
+        GizmoPropConfig("tread_depth", (0, 0, -1)),
+        GizmoPropConfig("nosing_length", (-1, 0, 0)),
+        GizmoPropConfig("nosing_depth", (0, 0, -1)),
+        GizmoPropConfig("total_length_target", (1, 0, 0)),
+        GizmoPropConfig("base_slab_depth", (0, 0, -1)),
+        GizmoPropConfig("top_slab_depth", (0, 0, -1)),
+    ]
+
+    @classmethod
+    def is_element_type(cls, element) -> bool:
+        return tool.Blender.Modifier.is_stair(element)
+
+    def get_props(self, obj):
+        return tool.Model.get_stair_props(obj)
+
+    def get_gizmo_prefs(self):
+        prefs = tool.Blender.get_addon_preferences()
+        return prefs.gizmos.stair
+
+    def should_hide_gizmo(self, attr_name, props):
+        """Stair-specific visibility rules for gizmos."""
+        if not props.is_editing:
+            return True
+        # Hide concrete-specific gizmos for non-concrete stairs
+        if attr_name in ("base_slab_depth", "top_slab_depth") and props.stair_type != "CONCRETE":
+            return True
+        # Hide tread_depth for generic stairs (has no tread geometry)
+        if attr_name == "tread_depth" and props.stair_type == "GENERIC":
+            return True
+        # Hide nosing_depth when nosing_length is 0 or for Wood/Steel stair types
+        if attr_name == "nosing_depth" and (props.nosing_length == 0.0 or props.stair_type == "WOOD/STEEL"):
+            return True
+        return False
+
+    @staticmethod
+    def _get_stair_total_run(props) -> float:
+        """Calculate the total horizontal run of the stair."""
+        return props.tread_run * props.number_of_treads
+
+    @staticmethod
+    def _get_first_riser_height(props) -> float:
+        """Calculate the height of the first riser."""
+        return props.height / (props.number_of_treads + 1)
+
+    def get_gizmo_matrix_width(self, props):
+        translation = Matrix.Translation(Vector((0, props.width, 0)))
+        rotation = self.get_axis_rotation_matrix((0, 1, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_width_top(self, props):
+        """Position for the secondary width gizmo at the top of the stairs."""
+        total_run = self._get_stair_total_run(props)
+        translation = Matrix.Translation(Vector((total_run, props.width, props.height)))
+        rotation = self.get_axis_rotation_matrix((0, 1, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_height(self, props):
+        total_run = self._get_stair_total_run(props)
+        translation = Matrix.Translation(Vector((total_run, props.width / 2, props.height)))
+        rotation = self.get_axis_rotation_matrix((0, 0, 1))
+        return translation @ rotation
+
+    def get_gizmo_matrix_tread_run(self, props):
+        riser_height = self._get_first_riser_height(props)
+        translation = Matrix.Translation(Vector((props.tread_run, props.width / 2, riser_height)))
+        rotation = self.get_axis_rotation_matrix((1, 0, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_tread_depth(self, props):
+        riser_height = self._get_first_riser_height(props)
+        translation = Matrix.Translation(
+            Vector((props.tread_run / 2, props.width / 2, riser_height - props.tread_depth))
+        )
+        rotation = self.get_axis_rotation_matrix((0, 0, -1))
+        return translation @ rotation
+
+    def get_gizmo_matrix_nosing_length(self, props):
+        riser_height = self._get_first_riser_height(props)
+        translation = Matrix.Translation(Vector((-props.nosing_length, props.width / 2, riser_height)))
+        rotation = self.get_axis_rotation_matrix((-1, 0, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_nosing_depth(self, props):
+        riser_height = self._get_first_riser_height(props)
+        translation = Matrix.Translation(
+            Vector((-props.nosing_length, props.width / 2, riser_height - props.nosing_depth))
+        )
+        rotation = self.get_axis_rotation_matrix((0, 0, -1))
+        return translation @ rotation
+
+    def get_gizmo_matrix_total_length_target(self, props):
+        translation = Matrix.Translation(Vector((props.total_length_target, props.width / 2, props.height)))
+        rotation = self.get_axis_rotation_matrix((1, 0, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_base_slab_depth(self, props):
+        translation = Matrix.Translation(Vector((0, props.width / 2, -props.base_slab_depth)))
+        rotation = self.get_axis_rotation_matrix((0, 0, -1))
+        return translation @ rotation
+
+    def get_gizmo_matrix_top_slab_depth(self, props):
+        total_run = self._get_stair_total_run(props)
+        translation = Matrix.Translation(Vector((total_run, props.width / 2, props.height - props.top_slab_depth)))
+        rotation = self.get_axis_rotation_matrix((0, 0, -1))
+        return translation @ rotation
+
+    def setup(self, context):
+        self.setup_property_gizmos(context)
+        self.setup_editing_gizmos(context)
+
+        # Stair-specific gizmos
+        prefs = tool.Blender.get_addon_preferences()
+        highlight_color = prefs.decorator_color_selected[:3]
+
+        # Secondary width gizmo at the top of the stairs (linked to same width property)
+        self.gizmo_width_top = self.gizmos.new("BIM_GT_gizmo_arrow_2d")
+
+        def make_width_get():
+            def move_get():
+                obj = bpy.context.active_object
+                if not obj:
+                    return 0.0
+                props = self.get_props(obj)
+                return props.width
+            return move_get
+
+        def make_width_set():
+            def move_set(value):
+                obj = bpy.context.active_object
+                if not obj:
+                    return
+                props = self.get_props(obj)
+                props.width = max(0.0, value)
+            return move_set
+
+        self.gizmo_width_top.move_get_cb = make_width_get()
+        self.gizmo_width_top.move_set_cb = make_width_set()
+        self.gizmo_width_top.axis = Vector((0, 1, 0))
+        self.gizmo_width_top.local_axis = Vector((0, 1, 0))
+        self.gizmo_width_top.invert_delta = False
+        self.gizmo_width_top.delta_scale = 1.0
+        self.gizmo_width_top.prop_name = "Width"
+        self.gizmo_width_top.gizmo_group = self
+        self.gizmo_width_top.color = self.COLOR_GREEN
+        self.gizmo_width_top.color_highlight = highlight_color
+        self.gizmo_width_top.alpha = 0.99
+        self.gizmo_width_top.use_draw_modal = True
+        self.gizmo_width_top.use_draw_scale = True
+
+        # Total length lock gizmo
+        self.lock_gizmo = self.gizmos.new("VIEW3D_GT_lock")
+        self.lock_gizmo.use_draw_scale = False
+        self.lock_gizmo.color = self.COLOR_BLUE
+        self.lock_gizmo.color_highlight = highlight_color
+        self.lock_gizmo.alpha = 0.8
+        self.lock_gizmo.prop_path = "BIMStairProperties.total_length_lock"
+        self.lock_gizmo.target_set_operator("bim.toggle_stair_total_length_lock")
+
+        # Plus gizmo for increasing treads
+        self.plus_gizmo = self.gizmos.new("VIEW3D_GT_plus")
+        self.plus_gizmo.use_draw_scale = False
+        self.plus_gizmo.color = self.COLOR_GREEN
+        self.plus_gizmo.color_highlight = highlight_color
+        self.plus_gizmo.alpha = 0.8
+        op = self.plus_gizmo.target_set_operator("bim.adjust_stair_treads")
+        op.increment = 1
+
+        # Minus gizmo for decreasing treads
+        self.minus_gizmo = self.gizmos.new("VIEW3D_GT_minus")
+        self.minus_gizmo.use_draw_scale = False
+        self.minus_gizmo.color = self.COLOR_RED
+        self.minus_gizmo.color_highlight = highlight_color
+        self.minus_gizmo.alpha = 0.8
+        op = self.minus_gizmo.target_set_operator("bim.adjust_stair_treads")
+        op.increment = -1
+
+        # Cycle gizmo for stair type
+        default_color = prefs.decorations_colour[:3]
+        self.cycle_gizmo = self.gizmos.new("VIEW3D_GT_cycle")
+        self.cycle_gizmo.use_draw_scale = False
+        self.cycle_gizmo.color = default_color
+        self.cycle_gizmo.color_highlight = highlight_color
+        self.cycle_gizmo.alpha = 0.8
+        self.cycle_gizmo.target_set_operator("bim.cycle_stair_type")
+
+    def refresh(self, context):
+        obj = context.active_object
+        if not obj:
+            return
+
+        props = self.get_props(obj)
+        mw = obj.matrix_world
+        billboard_rot = gizmo.get_billboard_rotation(context)
+        self.update_property_gizmos(mw, props)
+        self.update_editing_gizmos(context, mw, props)
+        self.update_width_top_gizmo(mw, props)
+        self.update_lock_gizmo(mw, props, billboard_rot)
+        self.update_tread_count_gizmos(mw, props, billboard_rot)
+        self.update_cycle_gizmo(mw, props, billboard_rot)
+
+    def update_width_top_gizmo(self, mw, props):
+        """Update the secondary width gizmo at the top of the stairs."""
+        gizmo_prefs = self.get_gizmo_prefs()
+        # Use same visibility as the main width gizmo
+        self.gizmo_width_top.hide = not props.is_editing or not getattr(gizmo_prefs, "width", True)
+
+        if self.gizmo_width_top.hide:
+            return
+
+        self.gizmo_width_top.matrix_basis = mw @ self.get_gizmo_matrix_width_top(props)
+        self.gizmo_width_top.matrix_offset = Matrix.Scale(self.ARROW_SCALE, 4)
+
+    def update_lock_gizmo(self, mw, props, billboard_rot):
+        gizmo_prefs = self.get_gizmo_prefs()
+        self.lock_gizmo.hide = not props.is_editing or not gizmo_prefs.lock
+
+        if self.lock_gizmo.hide:
+            return
+
+        self.lock_gizmo.color = self.COLOR_RED if props.total_length_lock else self.COLOR_GREEN
+
+        total_run = self._get_stair_total_run(props)
+        lock_x = total_run + props.tread_run + self.GIZMO_X_OFFSET
+        local_transform = (
+            Matrix.Translation(Vector((lock_x, props.width / 2, props.height)))
+            @ billboard_rot
+            @ Matrix.Scale(0.2, 4)
+        )
+        self.lock_gizmo.matrix_basis = mw @ local_transform
+
+    def update_tread_count_gizmos(self, mw, props, billboard_rot):
+        gizmo_prefs = self.get_gizmo_prefs()
+
+        self.plus_gizmo.hide = not props.is_editing or not gizmo_prefs.plus
+        self.minus_gizmo.hide = not props.is_editing or props.number_of_treads <= 1 or not gizmo_prefs.minus
+
+        if self.plus_gizmo.hide and self.minus_gizmo.hide:
+            return
+
+        total_run = self._get_stair_total_run(props)
+        base_x = total_run + props.tread_run + self.GIZMO_X_OFFSET
+
+        if not self.plus_gizmo.hide:
+            plus_local_transform = (
+                Matrix.Translation(Vector((
+                    base_x + self.GIZMO_PLUS_X_OFFSET,
+                    props.width / 2,
+                    props.height + self.GIZMO_BUTTON_Z_OFFSET
+                )))
+                @ billboard_rot
+                @ Matrix.Scale(0.2, 4)
+            )
+            self.plus_gizmo.matrix_basis = mw @ plus_local_transform
+
+        if not self.minus_gizmo.hide:
+            minus_local_transform = (
+                Matrix.Translation(Vector((
+                    base_x + self.GIZMO_MINUS_X_OFFSET,
+                    props.width / 2,
+                    props.height + self.GIZMO_BUTTON_Z_OFFSET
+                )))
+                @ billboard_rot
+                @ Matrix.Scale(0.2, 4)
+            )
+            self.minus_gizmo.matrix_basis = mw @ minus_local_transform
+
+    def update_cycle_gizmo(self, mw, props, billboard_rot):
+        gizmo_prefs = self.get_gizmo_prefs()
+        self.cycle_gizmo.hide = not props.is_editing or not gizmo_prefs.cycle
+
+        if self.cycle_gizmo.hide:
+            return
+
+        total_run = self._get_stair_total_run(props)
+        cycle_x = total_run + props.tread_run + self.GIZMO_X_OFFSET
+        local_transform = (
+            Matrix.Translation(Vector((
+                cycle_x,
+                props.width / 2,
+                props.height + self.GIZMO_CYCLE_Z_OFFSET
+            )))
+            @ billboard_rot
+            @ Matrix.Scale(0.2, 4)
+        )
+        self.cycle_gizmo.matrix_basis = mw @ local_transform
+
+    def draw_prepare(self, context):
+        """Called before drawing - updates gizmos to face camera."""
+        # Call base class implementation
+        super().draw_prepare(context)
+
+        # Also update the secondary width gizmo to face camera
+        if hasattr(self, "gizmo_width_top") and not self.gizmo_width_top.hide:
+            self.gizmo_width_top.draw_prepare(context)

src/bonsai/bonsai/bim/module/model/ui.py

@@ -17,7 +17,6 @@
 # along with Bonsai.  If not, see <http://www.gnu.org/licenses/>.
 
 import bpy
-import bl_ui_utils.layout
 import bonsai.bim
 import bonsai.tool as tool
 from bpy.types import Panel, Menu
@@ -36,7 +35,12 @@ from bonsai.bim.module.model.stair import regenerate_stair_mesh
 from bonsai.bim.module.model.railing import update_railing_modifier_bmesh
 from bonsai.bim.module.model.roof import update_roof_modifier_bmesh
 from collections.abc import Iterable
-from typing import Any
+from typing import Any, TYPE_CHECKING
+
+if TYPE_CHECKING or bpy.app.version >= (5, 0, 0):
+    import _bl_ui_utils.layout as bl_ui_utils_layout
+else:
+    import bl_ui_utils.layout as bl_ui_utils_layout
 
 
 class BIM_MT_type_manager_menu(bpy.types.Menu):
@@ -56,7 +60,7 @@ class BIM_MT_type_menu(bpy.types.Menu):
     def draw(self, context):
         props = tool.Model.get_model_props()
         layout = self.layout
-        with bl_ui_utils.layout.operator_context(layout, "INVOKE_REGION_WIN"):
+        with bl_ui_utils_layout.operator_context(layout, "INVOKE_REGION_WIN"):
             op = layout.operator("bim.rename_type", icon="GREASEPENCIL", text="Rename Type")
             op.element = props.menu_relating_type_id
         op = layout.operator("bim.select_type", icon="OBJECT_DATA")
@@ -301,48 +305,9 @@ class BIM_PT_stair(bpy.types.Panel):
                 row.operator("bim.finish_editing_stair", icon="CHECKMARK", text="Finish Editing")
                 row.operator("bim.cancel_editing_stair", icon="CANCEL", text="")
                 row = self.layout.row(align=True)
-                for prop_name in props.get_props_kwargs():
-                    # Skip custom_tread_lock as it's handled with custom_first_last_tread_run
-                    if prop_name == "custom_tread_lock":
-                        continue
 
-                    prop_value = getattr(props, prop_name)
+                draw_stair_properties(self.layout, props)
 
-                    # Special handling for custom_first_last_tread_run
-                    if prop_name == "custom_first_last_tread_run":
-                        # Draw the lock toggle
-                        row_lock = self.layout.row(align=True)
-                        lock_text = (
-                            "Lock First/Last Treads" if not props.custom_tread_lock else "Unlock First/Last Treads"
-                        )
-                        row_lock.prop(
-                            props,
-                            "custom_tread_lock",
-                            text=lock_text,
-                            icon="LOCKED" if props.custom_tread_lock else "UNLOCKED",
-                        )
-
-                        # Only show the custom values input if unlocked
-                        if not props.custom_tread_lock:
-                            prop_readable_name = props.bl_rna.properties[prop_name].name
-                            self.layout.label(text=f"{prop_readable_name}:")
-                            self.layout.prop(props, prop_name, text="")
-                    elif isinstance(prop_value, Iterable) and not isinstance(prop_value, str):
-                        prop_readable_name = props.bl_rna.properties[prop_name].name
-                        self.layout.label(text=f"{prop_readable_name}:")
-                        self.layout.prop(props, prop_name, text="")
-                    else:
-                        self.layout.prop(props, prop_name)
-
-                    if prop_name == "height":  # Weak but we just want to insert this inside props drawing
-                        row_length = self.layout.row(align=True)
-                        row_length.prop(props, "total_length_target")
-                        row_length.prop(
-                            props,
-                            "total_length_lock",
-                            text="",
-                            icon="LOCKED" if props.total_length_lock else "UNLOCKED",
-                        )
                 regenerate_stair_mesh(obj)
             else:
                 calculated_params = StairData.data["calculated_params"]
@@ -436,39 +401,11 @@ class BIM_PT_window(bpy.types.Panel):
             row.label(text="Window parameters", icon="OUTLINER_OB_LATTICE")
 
             if props.is_editing:
-                number_of_panels, panels_data = props.window_types_panels[props.window_type]
                 row = self.layout.row(align=True)
                 row.operator("bim.finish_editing_window", icon="CHECKMARK", text="Finish Editing")
                 row.operator("bim.cancel_editing_window", icon="CANCEL", text="")
 
-                general_props = props.get_general_kwargs()
-                for prop in general_props:
-                    self.layout.prop(props, prop)
-
-                lining_props = props.get_lining_kwargs()
-                self.layout.label(text="Lining properties")
-                for prop in lining_props:
-                    self.layout.prop(props, prop)
-
-                panel_props = props.get_panel_kwargs()
-                self.layout.label(text="Panel properties")
-
-                panel_box = self.layout.box()
-                row = panel_box.row()
-                cols = [row.column(align=True) for i in range(number_of_panels + 1)]
-
-                cols[0].label(text="")
-
-                for panel_i in range(number_of_panels):
-                    r = cols[panel_i + 1].row()
-                    r.alignment = "CENTER"
-                    r.label(text=f"#{panel_i}")
-                    r = cols[panel_i + 1].row()
-
-                for prop in panel_props:
-                    cols[0].label(text=f"{props.bl_rna.properties[prop].name}")
-                    for panel_i in range(number_of_panels):
-                        cols[panel_i + 1].prop(props, prop, index=panel_i, text="")
+                draw_window_properties(self.layout, props)
 
                 self.layout.use_property_split = True
                 self.layout.label(text="Material Properties")
@@ -556,19 +493,7 @@ class BIM_PT_door(bpy.types.Panel):
                 row.operator("bim.finish_editing_door", icon="CHECKMARK", text="Finish Editing")
                 row.operator("bim.cancel_editing_door", icon="CANCEL", text="")
 
-                general_props = props.get_general_kwargs()
-                for prop in general_props:
-                    self.layout.prop(props, prop)
-
-                lining_props = props.get_lining_kwargs()
-                self.layout.label(text="Lining Properties")
-                for prop in lining_props:
-                    self.layout.prop(props, prop)
-
-                panel_props = props.get_panel_kwargs()
-                self.layout.label(text="Panel Properties")
-                for prop in panel_props:
-                    self.layout.prop(props, prop)
+                draw_door_properties(self.layout, props)
 
                 self.layout.use_property_split = True
                 self.layout.label(text="Material Properties")
@@ -639,14 +564,7 @@ class BIM_PT_railing(bpy.types.Panel):
                 row.operator("bim.finish_editing_railing", icon="CHECKMARK", text="Finish Editing")
                 row.operator("bim.cancel_editing_railing", icon="CANCEL", text="")
 
-                general_props = props.get_general_kwargs()
-                for prop in general_props:
-                    if prop == "support_spacing" and props.use_manual_supports:
-                        row = self.layout.row()
-                        row.prop(props, prop)
-                        row.active = False
-                        continue
-                    self.layout.prop(props, prop)
+                draw_railing_properties(self.layout, props)
 
                 update_railing_modifier_bmesh(context)
 
@@ -704,9 +622,7 @@ class BIM_PT_roof(bpy.types.Panel):
                 row.operator("bim.finish_editing_roof", icon="CHECKMARK", text="Finish Editing")
                 row.operator("bim.cancel_editing_roof", icon="CANCEL", text="")
 
-                general_props = props.get_general_kwargs()
-                for prop in general_props:
-                    self.layout.prop(props, prop)
+                draw_roof_properties(self.layout, props)
 
                 update_roof_modifier_bmesh(obj)
             elif props.is_editing_path:
@@ -772,6 +688,126 @@ class BIM_PT_external_parametric_geometry(bpy.types.Panel):
                 row.prop(input, "default_value", text=input.name)
 
 
+def draw_door_properties(layout: bpy.types.UILayout, props: bpy.types.PropertyGroup) -> None:
+    """Draw door properties UI (shared between properties panel and preferences)."""
+    # General properties
+    general_props = props.get_general_kwargs()
+    for prop in general_props:
+        layout.prop(props, prop)
+
+    # Lining properties
+    layout.label(text="Lining Properties")
+    lining_props = props.get_lining_kwargs()
+    for prop in lining_props:
+        layout.prop(props, prop)
+
+    # Panel properties
+    layout.label(text="Panel Properties")
+    panel_props = props.get_panel_kwargs()
+    for prop in panel_props:
+        layout.prop(props, prop)
+
+
+def draw_window_properties(layout: bpy.types.UILayout, props: bpy.types.PropertyGroup) -> None:
+    """Draw window properties UI (shared between properties panel and preferences)."""
+    number_of_panels, panels_data = props.window_types_panels[props.window_type]
+
+    # General and lining properties
+    general_props = props.get_general_kwargs()
+    for prop in general_props:
+        layout.prop(props, prop)
+
+    layout.label(text="Lining Properties")
+    lining_props = props.get_lining_kwargs()
+    for prop in lining_props:
+        layout.prop(props, prop)
+
+    # Panel properties (special layout for multiple panels)
+    panel_props = props.get_panel_kwargs()
+    layout.label(text="Panel Properties")
+
+    panel_box = layout.box()
+    row = panel_box.row()
+    cols = [row.column(align=True) for i in range(number_of_panels + 1)]
+
+    cols[0].label(text="")
+
+    for panel_i in range(number_of_panels):
+        r = cols[panel_i + 1].row()
+        r.alignment = "CENTER"
+        r.label(text=f"#{panel_i}")
+        r = cols[panel_i + 1].row()
+
+    for prop in panel_props:
+        cols[0].label(text=f"{props.bl_rna.properties[prop].name}")
+        for panel_i in range(number_of_panels):
+            cols[panel_i + 1].prop(props, prop, index=panel_i, text="")
+
+
+def draw_railing_properties(layout: bpy.types.UILayout, props: bpy.types.PropertyGroup) -> None:
+    """Draw railing properties UI (shared between properties panel and preferences)."""
+    general_props = props.get_general_kwargs()
+    for prop in general_props:
+        if prop == "support_spacing" and props.use_manual_supports:
+            row = layout.row()
+            row.prop(props, prop)
+            row.active = False
+            continue
+        layout.prop(props, prop)
+
+
+def draw_roof_properties(layout: bpy.types.UILayout, props: bpy.types.PropertyGroup) -> None:
+    """Draw roof properties UI (shared between properties panel and preferences)."""
+    # General properties
+    general_props = props.get_general_kwargs()
+    for prop in general_props:
+        layout.prop(props, prop)
+
+
+def draw_stair_properties(layout: bpy.types.UILayout, props: bpy.types.PropertyGroup) -> None:
+    """Draw stair properties UI (shared between properties panel and preferences)."""
+    for prop_name in props.get_props_kwargs():
+        # Skip custom_tread_lock as it's handled with custom_first_last_tread_run
+        if prop_name == "custom_tread_lock":
+            continue
+
+        prop_value = getattr(props, prop_name)
+
+        # Special handling for custom_first_last_tread_run
+        if prop_name == "custom_first_last_tread_run":
+            # Draw the lock toggle
+            row_lock = layout.row(align=True)
+            lock_text = "Lock First/Last Treads" if not props.custom_tread_lock else "Unlock First/Last Treads"
+            row_lock.prop(
+                props,
+                "custom_tread_lock",
+                text=lock_text,
+                icon="LOCKED" if props.custom_tread_lock else "UNLOCKED",
+            )
+
+            # Only show the custom values input if unlocked
+            if not props.custom_tread_lock:
+                prop_readable_name = props.bl_rna.properties[prop_name].name
+                layout.label(text=f"{prop_readable_name}:")
+                layout.prop(props, prop_name, text="")
+        elif isinstance(prop_value, Iterable) and not isinstance(prop_value, str):
+            prop_readable_name = props.bl_rna.properties[prop_name].name
+            layout.label(text=f"{prop_readable_name}:")
+            layout.prop(props, prop_name, text="")
+        else:
+            layout.prop(props, prop_name)
+
+        if prop_name == "height":  # Weak but we just want to insert this inside props drawing
+            row_length = layout.row(align=True)
+            row_length.prop(props, "total_length_target")
+            row_length.prop(
+                props,
+                "total_length_lock",
+                text="",
+                icon="LOCKED" if props.total_length_lock else "UNLOCKED",
+            )
+
+
 def add_menu(self: bpy.types.Menu, context: bpy.types.Context) -> None:
     self.layout.operator_context = "INVOKE_REGION_WIN"
     self.layout.operator("bim.add_element", icon_value=bonsai.bim.icons["IFC"].icon_id, text="IFC Element")

src/bonsai/bonsai/bim/module/model/window.py

@@ -28,6 +28,8 @@ import ifcopenshell.api.pset
 import bonsai.tool as tool
 import bonsai.core.root
 import bonsai.core.geometry
+from bonsai.bim import gizmo
+from bonsai.bim.gizmo import GizmoPropConfig
 from ifcopenshell.api.geometry.add_window_representation import DEFAULT_PANEL_SCHEMAS
 import ifcopenshell.api
 import ifcopenshell.api.material
@@ -36,8 +38,8 @@ import ifcopenshell.util.representation
 import ifcopenshell.util.shape_builder
 import ifcopenshell.util.unit
 from bmesh.types import BMVert
-from mathutils import Vector
-from typing import Optional, Union
+from mathutils import Vector, Matrix
+from typing import get_args
 
 V_ = tool.Blender.V_
 
@@ -139,7 +141,7 @@ def update_window_modifier_representation(context: bpy.types.Context) -> None:
 
 
 def create_bm_window_frame(
-    bm: bmesh.types.BMesh, size: Vector, thickness: Union[float, list[float]], position: Vector = V_(0, 0, 0).freeze()
+    bm: bmesh.types.BMesh, size: Vector, thickness: float | list[float], position: Vector = V_(0, 0, 0).freeze()
 ) -> list[bmesh.types.BMVert]:
     """`thickness` of the profile is defined as list in the following order:
     `(LEFT, TOP, RIGHT, BOTTOM)`
@@ -226,7 +228,7 @@ def create_bm_window(
     frame_thickness: float,
     glass_thickness: float,
     position: Vector,
-    x_offsets: Optional[list] = None,
+    x_offsets: list | None = None,
 ) -> tuple[list[bmesh.types.BMVert], list[bmesh.types.BMVert], list[bmesh.types.BMVert]]:
     """`lining_thickness` and `x_offsets` are expected to be defined as a list,
     similarly to `create_bm_window_frame` `thickness` argument"""
@@ -258,6 +260,9 @@ def update_window_modifier_bmesh(context: bpy.types.Context) -> None:
     obj = context.active_object
     assert obj
     props = tool.Model.get_window_props(obj)
+    if not props.is_editing:
+        return
+
     panel_schema = DEFAULT_PANEL_SCHEMAS[props.window_type]
     accumulated_height = [0] * len(panel_schema[0])
     built_panels = []
@@ -388,6 +393,7 @@ def update_window_modifier_bmesh(context: bpy.types.Context) -> None:
 
     bmesh.ops.translate(bm, vec=V_(0, lining_offset, 0), verts=bm.verts)
     bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.0001)
+    bmesh.ops.recalc_face_normals(bm, faces=bm.faces)
 
     if bpy.context.active_object.mode == "EDIT":
         bmesh.update_edit_mesh(obj.data)
@@ -399,7 +405,7 @@ def update_window_modifier_bmesh(context: bpy.types.Context) -> None:
 
 class BIM_OT_add_window(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "mesh.add_window"
-    bl_label = "Window"
+    bl_label = "Add Window"
     bl_options = {"REGISTER", "UNDO"}
 
     @classmethod
@@ -451,6 +457,8 @@ class AddWindow(bpy.types.Operator, tool.Ifc.Operator):
         assert element
         props = tool.Model.get_window_props(obj)
 
+        tool.Blender.get_addon_preferences().default_parameters.window.copy_to(props)
+
         window_data = props.get_general_kwargs(convert_to_project_units=True)
         lining_props = props.get_lining_kwargs(convert_to_project_units=True)
         panel_props = props.get_panel_kwargs(convert_to_project_units=True)
@@ -570,3 +578,229 @@ class RemoveWindow(bpy.types.Operator, tool.Ifc.Operator):
         ifcopenshell.api.pset.remove_pset(tool.Ifc.get(), product=element, pset=pset)
 
         return {"FINISHED"}
+
+
+class CycleWindowType(bpy.types.Operator, tool.Ifc.Operator):
+    """Cycle through available window types."""
+
+    bl_idname = "bim.cycle_window_type"
+    bl_label = "Cycle Window Type"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def _execute(self, context):
+        obj = tool.Blender.get_active_object()
+        if not obj:
+            return {"CANCELLED"}
+
+        element = tool.Ifc.get_entity(obj)
+        if not element or not tool.Blender.Modifier.is_window(element):
+            return {"CANCELLED"}
+
+        props = tool.Model.get_window_props(obj)
+        window_types = list(get_args(tool.Model.WindowType))
+        current_index = window_types.index(props.window_type) if props.window_type in window_types else 0
+        next_index = (current_index + 1) % len(window_types)
+        props.window_type = window_types[next_index]
+
+        return {"FINISHED"}
+
+
+class GizmoWindowEdition(bpy.types.GizmoGroup, gizmo.BaseParametricGizmoGroup):
+    bl_idname = "OBJECT_GGT_bim_window_edition"
+    bl_label = "Window Editing Gizmo"
+    bl_space_type = "VIEW_3D"
+    bl_region_type = "WINDOW"
+    bl_options = {"3D", "PERSISTENT"}
+
+    enable_editing_operator = "bim.enable_editing_window"
+    finish_editing_operator = "bim.finish_editing_window"
+    cancel_editing_operator = "bim.cancel_editing_window"
+    cycle_type_operator = "bim.cycle_window_type"
+
+    gizmo_props = [
+        GizmoPropConfig("overall_height", (0, 0, 1)),
+        GizmoPropConfig("overall_width", (1, 0, 0)),
+        GizmoPropConfig("lining_depth", (0, 1, 0)),
+        GizmoPropConfig("lining_thickness", (1, 0, 0)),
+        GizmoPropConfig("lining_to_panel_offset_x", (1, 0, 0)),
+        GizmoPropConfig("lining_to_panel_offset_y", (0, 1, 0)),
+        GizmoPropConfig("mullion_thickness", (1, 0, 0), delta_scale=2.0),
+        GizmoPropConfig("first_mullion_offset", (1, 0, 0)),
+        GizmoPropConfig("second_mullion_offset", (1, 0, 0)),
+        GizmoPropConfig("transom_thickness", (0, 0, 1), delta_scale=2.0),
+        GizmoPropConfig("first_transom_offset", (0, 0, 1)),
+        GizmoPropConfig("second_transom_offset", (0, 0, 1)),
+    ]
+
+    @classmethod
+    def is_element_type(cls, element) -> bool:
+        return tool.Blender.Modifier.is_window(element)
+
+    def get_props(self, obj):
+        return tool.Model.get_window_props(obj)
+
+    def get_gizmo_prefs(self):
+        prefs = tool.Blender.get_addon_preferences()
+        return prefs.gizmos.window
+
+    def should_hide_gizmo(self, attr_name, props):
+        """Window-specific visibility rules for gizmos."""
+        if not props.is_editing:
+            return True
+
+        has_mullion = self._has_mullion(props)
+        has_second_mullion = self._has_second_mullion(props)
+        has_transom = self._has_transom(props)
+        has_second_transom = self._has_second_transom(props)
+
+        if attr_name == "mullion_thickness" and not has_mullion:
+            return True
+        if attr_name == "first_mullion_offset" and not has_mullion:
+            return True
+        if attr_name == "second_mullion_offset" and not has_second_mullion:
+            return True
+        if attr_name == "transom_thickness" and not has_transom:
+            return True
+        if attr_name == "first_transom_offset" and not has_transom:
+            return True
+        if attr_name == "second_transom_offset" and not has_second_transom:
+            return True
+        return False
+
+    def get_gizmo_matrix_overall_height(self, props):
+        translation = Matrix.Translation(V_(props.overall_width - 0.05, props.lining_offset, props.overall_height))
+        rotation = self.get_axis_rotation_matrix((0, 0, 1))
+        return translation @ rotation
+
+    def get_gizmo_matrix_overall_width(self, props):
+        translation = Matrix.Translation(V_(props.overall_width, props.lining_offset, props.overall_height - 0.05))
+        rotation = self.get_axis_rotation_matrix((1, 0, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_lining_depth(self, props):
+        translation = Matrix.Translation(
+            V_(props.overall_width / 2, props.lining_depth + props.lining_offset, props.overall_height)
+        )
+        rotation = self.get_axis_rotation_matrix((0, 1, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_lining_thickness(self, props):
+        translation = Matrix.Translation(
+            V_(props.lining_thickness, props.lining_depth / 2 + props.lining_offset, props.overall_height / 2)
+        )
+        rotation = self.get_axis_rotation_matrix((1, 0, 0))
+        return translation @ rotation
+
+    @staticmethod
+    def _get_lining_to_panel_offset_y_full(props) -> float:
+        """Get the full Y offset for lining-to-panel positioning."""
+        return (props.lining_depth - props.frame_depth[0]) + props.lining_to_panel_offset_y
+
+    def get_gizmo_matrix_lining_to_panel_offset_x(self, props):
+        y_full = self._get_lining_to_panel_offset_y_full(props)
+        translation = Matrix.Translation(
+            V_(props.lining_to_panel_offset_x, y_full + props.lining_offset, props.lining_thickness)
+        )
+        rotation = self.get_axis_rotation_matrix((1, 0, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_lining_to_panel_offset_y(self, props):
+        y_full = self._get_lining_to_panel_offset_y_full(props)
+        translation = Matrix.Translation(
+            V_(
+                props.lining_to_panel_offset_x,
+                y_full + props.frame_depth[0] + props.lining_offset,
+                props.lining_thickness,
+            )
+        )
+        rotation = self.get_axis_rotation_matrix((0, 1, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_mullion_thickness(self, props):
+        # Position at the right edge of the mullion (offset + thickness/2) so gizmo movement matches property 1:1
+        translation = Matrix.Translation(
+            V_(props.first_mullion_offset + props.mullion_thickness / 2, props.lining_offset, props.overall_height / 2)
+        )
+        rotation = self.get_axis_rotation_matrix((1, 0, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_first_mullion_offset(self, props):
+        # Position at the left edge of the mullion (offset - thickness/2)
+        translation = Matrix.Translation(
+            V_(props.first_mullion_offset - props.mullion_thickness / 2, props.lining_offset, props.overall_height / 2)
+        )
+        rotation = self.get_axis_rotation_matrix((1, 0, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_second_mullion_offset(self, props):
+        translation = Matrix.Translation(V_(props.second_mullion_offset, props.lining_offset, props.overall_height / 2))
+        rotation = self.get_axis_rotation_matrix((1, 0, 0))
+        return translation @ rotation
+
+    def get_gizmo_matrix_transom_thickness(self, props):
+        # Position at the top edge of the transom (offset + thickness/2) so gizmo movement matches property 1:1
+        translation = Matrix.Translation(
+            V_(props.overall_width / 2, props.lining_offset, props.first_transom_offset + props.transom_thickness / 2)
+        )
+        rotation = self.get_axis_rotation_matrix((0, 0, 1))
+        return translation @ rotation
+
+    def get_gizmo_matrix_first_transom_offset(self, props):
+        # Position at the bottom edge of the transom (offset - thickness/2)
+        translation = Matrix.Translation(
+            V_(props.overall_width / 2, props.lining_offset, props.first_transom_offset - props.transom_thickness / 2)
+        )
+        rotation = self.get_axis_rotation_matrix((0, 0, 1))
+        return translation @ rotation
+
+    def get_gizmo_matrix_second_transom_offset(self, props):
+        translation = Matrix.Translation(V_(props.overall_width / 2, props.lining_offset, props.second_transom_offset))
+        rotation = self.get_axis_rotation_matrix((0, 0, 1))
+        return translation @ rotation
+
+    def _has_mullion(self, props):
+        """Check if the window type uses mullions (vertical dividers)."""
+        window_type = props.window_type
+        return window_type in (
+            "DOUBLE_PANEL_VERTICAL",
+            "TRIPLE_PANEL_BOTTOM",
+            "TRIPLE_PANEL_TOP",
+            "TRIPLE_PANEL_LEFT",
+            "TRIPLE_PANEL_RIGHT",
+            "TRIPLE_PANEL_VERTICAL",
+        )
+
+    def _has_second_mullion(self, props):
+        """Check if the window type uses a second mullion."""
+        return props.window_type == "TRIPLE_PANEL_VERTICAL"
+
+    def _has_transom(self, props):
+        """Check if the window type uses transoms (horizontal dividers)."""
+        window_type = props.window_type
+        return window_type in (
+            "DOUBLE_PANEL_HORIZONTAL",
+            "TRIPLE_PANEL_BOTTOM",
+            "TRIPLE_PANEL_TOP",
+            "TRIPLE_PANEL_LEFT",
+            "TRIPLE_PANEL_RIGHT",
+            "TRIPLE_PANEL_HORIZONTAL",
+        )
+
+    def _has_second_transom(self, props):
+        """Check if the window type uses a second transom."""
+        return props.window_type == "TRIPLE_PANEL_HORIZONTAL"
+
+    def setup(self, context):
+        # Use base class methods for common gizmos
+        self.setup_property_gizmos(context)
+        self.setup_editing_gizmos(context)
+
+    def refresh(self, context):
+        obj = context.active_object
+        if not obj:
+            return
+
+        props = self.get_props(obj)
+        mw = obj.matrix_world
+        self.update_property_gizmos(mw, props)
+        self.update_editing_gizmos(context, mw, props)

src/bonsai/bonsai/bim/module/model/workspace.py

@@ -1322,6 +1322,20 @@ class Hotkey(bpy.types.Operator, tool.Ifc.Operator):
         if not bpy.context.selected_objects:
             return
         if self.active_material_usage == "LAYER2":
+            if len(bpy.context.selected_objects) != 2:
+                self.report(
+                    {"ERROR"},
+                    "Exactly two LAYER2 items (walls, railings, etc) must be selected to perform a merge.",
+                )
+                return
+            for item in bpy.context.selected_objects:
+                element = tool.Ifc.get_entity(item)
+                if tool.Model.get_usage_type(element) != "LAYER2":
+                    self.report(
+                        {"ERROR"},
+                        "Both selected items must be LAYER2 (walls, railings, etc) to perform a merge.",
+                    )
+                    return
             bpy.ops.bim.merge_wall()
         else:
             if len(bpy.context.selected_objects) == 1:

src/bonsai/bonsai/bim/module/project/ui.py

@@ -635,6 +635,7 @@ class BIM_PT_purge(Panel):
     bl_parent_id = "BIM_PT_tab_quality_control"
 
     def draw(self, context):
+        props = tool.Debug.get_debug_props()
         layout = self.layout
         layout.operator("bim.purge_unused_objects", text="Purge Unused Profiles").object_type = "PROFILE"
         layout.operator("bim.purge_unused_objects", text="Purge Unused Types").object_type = "TYPE"
@@ -655,3 +656,23 @@ class BIM_PT_purge(Panel):
             row.operator("bim.purge_unused_objects", text="Purge Unused").object_type = object_type
             merge_op = row.operator("bim.merge_identical_objects", text="Merge Identical")
             merge_op.object_type = object_type
+
+        layout.operator("bim.purge_unused_representations")
+
+        row = layout.row(align=True)
+        row.prop(props, "ifc_class_purge", text="")
+        row.operator("bim.purge_unused_elements_by_class", text="Purge Orphaned", icon="TRASH")
+        row.operator("bim.print_unused_elements_stats", text="", icon="INFO")
+
+        if context.active_object and (data := context.active_object.data):
+            mprops = tool.Geometry.get_mesh_props(data)
+            row = layout.row()
+            row.operator("bim.get_representation_ifc_parameters")
+            for index, ifc_parameter in enumerate(mprops.ifc_parameters):
+                row = layout.row(align=True)
+                row.prop(ifc_parameter, "name", text="")
+                row.prop(ifc_parameter, "value", text="")
+                row.operator("bim.update_parametric_representation", icon="FILE_REFRESH", text="").index = index
+
+
+

src/bonsai/bonsai/bim/module/qto/calculator.py

@@ -859,8 +859,23 @@ def get_gross_top_area(obj: bpy.types.Object, angle: float = 45) -> float:
 
                 entity = ifc.by_guid(opening_id)
                 open_obj = tool.Ifc.get_object(entity)
-                assert isinstance(open_obj, bpy.types.Object)
-                opening_area += get_net_top_area(open_obj, angle=angle)
+
+                # Check if the opening has a Blender object representation
+                if open_obj is None:
+                    # If no Blender object exists, create a temporary mesh from the IFC geometry
+                    try:
+                        mesh = get_gross_element_mesh(entity)
+                        temp_obj = bpy.data.objects.new("TempOpening", mesh)
+                        opening_area += get_net_top_area(temp_obj, angle=angle)
+                        delete_obj(temp_obj)
+                        delete_mesh(mesh)
+                    except Exception as e:
+                        # If we can't create geometry, skip this opening
+                        print(f"Warning: Could not calculate opening area for {opening_id}: {e}")
+                        continue
+                else:
+                    # Opening has a Blender representation, use it directly
+                    opening_area += get_net_top_area(open_obj, angle=angle)
             else:
                 continue
 

src/bonsai/bonsai/bim/module/qto/operator.py

@@ -22,6 +22,7 @@ import ifcopenshell.api
 import bonsai.tool as tool
 import bonsai.core.qto as core
 from bonsai.bim.module.qto import helper
+from ifcopenshell.util.profiler import Profiler
 
 
 class CalculateCircleRadius(bpy.types.Operator):
@@ -148,7 +149,8 @@ class CalculateSingleQuantity(bpy.types.Operator, tool.Ifc.Operator):
         }
 
         ifc_file = tool.Ifc.get()
-        results = ifc5d.qto.quantify(ifc_file, elements, rules)
+        with Profiler("Quantify function time:"):
+            results = ifc5d.qto.quantify(ifc_file, elements, rules)
         ifc5d.qto.edit_qtos(ifc_file, results)
 
         not_quantified_elements = elements - set(results.keys())
@@ -190,7 +192,8 @@ class PerformQuantityTakeOff(bpy.types.Operator, tool.Ifc.Operator):
         ) -> set[ifcopenshell.entity_instance]:
             rules = ifc5d.qto.rules[rule]
             ifc_file = tool.Ifc.get()
-            results = ifc5d.qto.quantify(ifc_file, elements, rules)
+            with Profiler("Quantify function time:"):
+                results = ifc5d.qto.quantify(ifc_file, elements, rules)
             ifc5d.qto.edit_qtos(ifc_file, results)
             not_quantified_elements = elements - set(results.keys())
             return not_quantified_elements

src/bonsai/bonsai/bim/module/spatial/operator.py

@@ -21,6 +21,7 @@ import ifcopenshell.util.element
 import bonsai.tool as tool
 import bonsai.core.spatial as core
 import bonsai.bim.handler
+from typing import TYPE_CHECKING
 
 
 class ReferenceStructure(bpy.types.Operator, tool.Ifc.Operator):
@@ -233,7 +234,7 @@ class RemoveContainer(bpy.types.Operator, tool.Ifc.Operator):
 
 class CopyToContainer(bpy.types.Operator, tool.Ifc.Operator):
     """
-    Copies selected 3D elements in the viewport to the selected spatial containers
+    Copies selected 3D elements in the viewport to the container selected in Spatial Manager.
 
     Example: bulk copy a wall to multiple storeys
 
@@ -242,9 +243,13 @@ class CopyToContainer(bpy.types.Operator, tool.Ifc.Operator):
     Copying containers to other containers currently is not supported."""
 
     bl_idname = "bim.copy_to_container"
-    bl_label = "Copy To Container"
+    bl_label = "Copy to Container"
     bl_options = {"REGISTER", "UNDO"}
-    container: bpy.props.IntProperty()
+
+    container: bpy.props.IntProperty()  # pyright: ignore[reportRedeclaration]
+
+    if TYPE_CHECKING:
+        container: int
 
     def _execute(self, context):
         objs = tool.Spatial.get_selected_objects_without_containers()

src/bonsai/bonsai/bim/module/spatial/prop.py

@@ -36,6 +36,7 @@ import bonsai.core.geometry
 import ifcopenshell
 import ifcopenshell.api.attribute
 import ifcopenshell.util.unit
+from bonsai.tool.unit import parse_distance_string
 from typing import TYPE_CHECKING, Union, Literal
 
 
@@ -48,18 +49,46 @@ def get_subelement_class(
 
 
 def update_elevation(self: "BIMContainer", context: bpy.types.Context) -> None:
-    try:
-        elevation = float(self.elevation)
-        if self.elevation != str(elevation):
-            self.elevation = str(elevation)
-            return
-    except:
-        elevation = 0
+    # Try to parse the input string with unit support first
+    is_valid, parsed_elevation = parse_distance_string(self.elevation, use_project_unit=True)
+
+    if is_valid:
+        elevation = parsed_elevation
+
+        # Format the string if it needs normalization:
+        # - Plain numbers (no units): "4" → "4' - 0""
+        # - Missing symbols: "5'3" → "5' - 3""
+        # - Inconsistent formatting: "5' 3 3/256" → "5' - 3 3/256""
+        input_str = self.elevation.strip()
+
+        # Check if input needs formatting (has feet/inch symbols or is plain number)
+        needs_formatting = (
+            input_str.replace(".", "").replace("-", "").replace(" ", "").replace("/", "").isdigit()  # Plain number
+            or "'" in input_str  # Has feet symbol
+            or '"' in input_str  # Has inch symbol
+            or " " in input_str.replace(" - ", "")  # Has spaces (but not the formatted " - ")
+        )
+
+        # Only format if the current string doesn't match our standard format
+        if needs_formatting:
+            formatted = tool.Unit.format_distance(elevation)
+            if self.elevation != formatted:
+                self.elevation = formatted
+                return
+    else:
+        # Fall back to direct float conversion for backward compatibility
+        try:
+            elevation = float(self.elevation)
+        except Exception as e:
+            print(f"Elevation parsing failed for '{self.elevation}': {e}")
+            elevation = 0
+
+    # Update the object's position in the 3D scene
     if ifc_definition_id := self.ifc_definition_id:
         entity = tool.Ifc.get().by_id(ifc_definition_id)
         if obj := tool.Ifc.get_object(entity):
-            unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
-            obj.matrix_world[2][3] = elevation * unit_scale
+            # elevation is already in meters, set it directly
+            obj.matrix_world[2][3] = elevation
             bonsai.core.geometry.edit_object_placement(tool.Ifc, tool.Geometry, tool.Surveyor, obj)
 
 

src/bonsai/bonsai/bim/module/spatial/ui.py

@@ -277,7 +277,7 @@ class BIM_UL_containers_manager(UIList):
         if item:
             row = layout.row(align=True)
             icon = self.icon_by_class.get(item.ifc_class, "META_PLANE")
-            split = row.split(factor=0.85)
+            split = row.split(factor=0.8)
             if item.long_name:
                 split2 = split.split(factor=0.7)
                 row = split2.row(align=True)

src/bonsai/bonsai/bim/module/style/operator.py

@@ -455,7 +455,7 @@ class ActivateExternalStyle(bpy.types.Operator):
             return {"CANCELLED"}
 
         self.copy_material_attributes(db["data_block"], material)
-        if material.use_nodes:
+        if tool.Style.get_use_nodes(material):
             tool.Blender.copy_node_graph(material, db["data_block"])
         bpy.data.materials.remove(db["data_block"])
         return {"FINISHED"}

src/bonsai/bonsai/bim/module/system/prop.py

@@ -99,7 +99,8 @@ class BIMSystemProperties(PropertyGroup):
     systems: CollectionProperty(name="Systems", type=System)
     expanded_groups_json: StringProperty(name="Expanded Systems JSON", default="[]")
     """See `expanded_groups_json`. We name it "groups" for compatibility with Group UI code."""
-    active_system_index: IntProperty(name="Active System Index")
+    # Named not as `active_system_index` to match `BIMGroupProperties`.
+    active_group_index: IntProperty(name="Active System Index")
     active_system_id: IntProperty(name="Active System Id")
     edited_system_id: IntProperty(name="Edited System Id")
     system_class: EnumProperty(items=get_system_class, name="Class")
@@ -113,7 +114,7 @@ class BIMSystemProperties(PropertyGroup):
         is_adding: bool
         systems: bpy.types.bpy_prop_collection_idprop[System]
         expanded_groups_json: str
-        active_system_index: int
+        active_group_index: int
         active_system_id: int
         edited_system_id: int
         system_class: str
@@ -121,7 +122,7 @@ class BIMSystemProperties(PropertyGroup):
 
     @property
     def active_system_ui_item(self) -> Union[System, None]:
-        return tool.Blender.get_active_uilist_element(self.systems, self.active_system_index)
+        return tool.Blender.get_active_uilist_element(self.systems, self.active_group_index)
 
 
 def update_active_zone_index(self: "BIMZoneProperties", context: object) -> None:

src/bonsai/bonsai/bim/module/system/ui.py

@@ -114,7 +114,7 @@ class BIM_PT_systems(Panel):
                 self.props,
                 "systems",
                 self.props,
-                "active_system_index",
+                "active_group_index",
             )
 
         if self.props.edited_system_id:

src/bonsai/bonsai/bim/module/type/operator.py

@@ -322,6 +322,15 @@ class DuplicateType(bpy.types.Operator, tool.Ifc.Operator):
     bl_label = "Duplicate Type"
     bl_options = {"REGISTER", "UNDO"}
     element: bpy.props.IntProperty()
+    name: bpy.props.StringProperty(name="Name")
+    description: bpy.props.StringProperty(name="Description")
+    assign_selected_objects: bpy.props.BoolProperty(default=False)
+
+    if TYPE_CHECKING:
+        element: int
+        name: str
+        description: str
+        assign_selected_objects: bool
 
     def _execute(self, context):
         element = tool.Ifc.get().by_id(self.element)
@@ -332,8 +341,25 @@ class DuplicateType(bpy.types.Operator, tool.Ifc.Operator):
         if obj.data:
             new_obj.data = obj.data.copy()
         new = bonsai.core.root.copy_class(tool.Ifc, tool.Collector, tool.Geometry, tool.Root, obj=new_obj)
-        new.Name += " Copy"
+        
+        # Apply the name and description from the dialog
+        new.Name = self.name
+        if self.description:
+            new.Description = self.description
+        
         bpy.ops.bim.load_type_thumbnails()
+        
+        # Assign selected objects to the new type if requested
+        if self.assign_selected_objects:
+            selected_objects = tool.Blender.get_selected_objects()
+            prefs = tool.Blender.get_addon_preferences()
+            for selected_obj in selected_objects:
+                selected_element = tool.Ifc.get_entity(selected_obj)
+                if selected_element and selected_element.is_a("IfcObject"):
+                    core.assign_type(tool.Ifc, tool.Type, element=selected_element, type=new)
+                    if prefs.occurrence_name_style == "TYPE":
+                        selected_obj.name = tool.Model.generate_occurrence_name(new, selected_element.is_a())
+        
         if obj in context.selectable_objects:
             tool.Blender.select_and_activate_single_object(context, new_obj)
         else:
@@ -347,3 +373,17 @@ class DuplicateType(bpy.types.Operator, tool.Ifc.Operator):
             props.ifc_class = new.is_a()
             props.relating_type_id = str(tool.Blender.get_ifc_definition_id(new_obj))
         return {"FINISHED"}
+
+    def invoke(self, context, event):
+        element = tool.Ifc.get().by_id(self.element)
+        self.name = (element.Name or "Unnamed") + " Copy"
+        self.description = element.Description or ""
+        return context.window_manager.invoke_props_dialog(self)
+
+    def draw(self, context):
+        self.layout.prop(self, "name")
+        self.layout.prop(self, "description")
+        selected_objects = tool.Blender.get_selected_objects()
+        ifc_objects = [obj for obj in selected_objects if tool.Ifc.get_entity(obj) and tool.Ifc.get_entity(obj).is_a("IfcObject")]
+        if ifc_objects:
+            self.layout.prop(self, "assign_selected_objects", text=f"Assign {len(ifc_objects)} Selected Object(s) to New Type")

src/bonsai/bonsai/bim/module/type/ui.py

@@ -96,6 +96,10 @@ class BIM_PT_type(Panel):
                 op = row.operator("bim.select_type", icon="OBJECT_DATA", text="")
                 op.relating_type = 0  # will only select the relating types of only the selected objects
                 row.operator("bim.select_similar_type", icon="RESTRICT_SELECT_OFF", text="")
+                # Add duplicate button here with assign_selected_objects enabled
+                op = row.operator("bim.duplicate_type", icon="DUPLICATE", text="")
+                op.element = TypeData.data["relating_type"]["id"]
+                op.assign_selected_objects = True
                 row.operator("bim.enable_editing_type", icon="GREASEPENCIL", text="")
                 row.operator("bim.unassign_type", icon="X", text="")
             else:

src/bonsai/bonsai/bim/module/void/operator.py

@@ -102,6 +102,19 @@ class AddOpening(bpy.types.Operator, tool.Ifc.Operator):
             element_had_openings = tool.Geometry.has_openings(voided_element)
             body_context = ifcopenshell.util.representation.get_context(tool.Ifc.get(), "Model", "Body")
             if not element2:
+                # Apply scale transformation for vanilla Blender objects before creating IFC representation
+                # This ensures the opening geometry matches the visual scale of the object
+                if tool.Geometry.is_scaled(obj2):
+                    if obj2.data:
+                        # Make mesh data single-user if it's shared
+                        if obj2.data.users > 1:
+                            obj2.data = obj2.data.copy()
+                        context_override = {}
+                        context_override["object"] = context_override["active_object"] = obj2
+                        context_override["selected_objects"] = context_override["selected_editable_objects"] = [obj2]
+                        with bpy.context.temp_override(**context_override):
+                            bpy.ops.object.transform_apply(location=False, rotation=False, scale=True)
+
                 element2 = bonsai.core.root.assign_class(
                     tool.Ifc,
                     tool.Collector,

src/bonsai/bonsai/bim/operator.py

@@ -786,7 +786,7 @@ class BIM_OT_add_section_plane(bpy.types.Operator):
         material = bpy.data.materials.get("Section Override")
         if not material:
             material = bpy.data.materials.new("Section Override")
-            material.use_nodes = True
+            tool.Style.set_use_nodes(material, True)
 
         props = tool.Blender.get_bim_props()
         if props.should_section_selected_objects:
@@ -809,7 +809,7 @@ class BIM_OT_add_section_plane(bpy.types.Operator):
     def override_materials(self):
         override = bpy.data.node_groups.get("Section Override")
         for material in bpy.data.materials:
-            material.use_nodes = True
+            tool.Style.set_use_nodes(material, True)
             if material.node_tree.nodes.get("Section Override"):
                 continue
             # In EEVEE rendering engine, `blend_mode` is deprecated and replaced by `surface_render_method`

src/bonsai/bonsai/bim/schema.py

@@ -20,7 +20,12 @@ import ifcopenshell
 import ifcopenshell.util.pset
 import bonsai.tool as tool
 import bpy
-import bpy_restrict_state
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING or bpy.app.version >= (5, 0, 0):
+    import _bpy_restrict_state as bpy_restrict_state
+else:
+    import bpy_restrict_state
 
 
 class IfcSchema:

src/bonsai/bonsai/bim/ui.py

@@ -38,6 +38,20 @@ from ifcopenshell.util.file import IfcHeaderExtractor
 from bonsai.bim.prop import Attribute
 from bonsai.bim.module.bsdd.prop import BIMBSDDProperties, BSDDProperty
 from bonsai.bim.module.pset.prop import IfcProperty
+from bonsai.bim.module.model.prop import (
+    BIMDoorProperties,
+    BIMWindowProperties,
+    BIMRailingProperties,
+    BIMRoofProperties,
+    BIMStairProperties,
+)
+from bonsai.bim.module.model.ui import (
+    draw_door_properties,
+    draw_window_properties,
+    draw_railing_properties,
+    draw_roof_properties,
+    draw_stair_properties,
+)
 from typing import Optional, TYPE_CHECKING, Literal
 from natsort import natsorted
 import textwrap
@@ -228,6 +242,120 @@ class BIM_UL_generic(bpy.types.UIList):
             layout.label(text="", translate=False)
 
 
+class GizmoPreferencesDoor(bpy.types.PropertyGroup):
+    """Property group for door gizmo visibility settings."""
+
+    overall_height: BoolProperty(name="Overall Height", default=True)
+    overall_width: BoolProperty(name="Overall Width", default=True)
+    threshold_thickness: BoolProperty(name="Threshold Thickness", default=True)
+    threshold_depth: BoolProperty(name="Threshold Depth", default=True)
+    lining_depth: BoolProperty(name="Lining Depth", default=True)
+    lining_thickness: BoolProperty(name="Lining Thickness", default=True)
+    transom_offset: BoolProperty(name="Transom Offset", default=True)
+    transom_thickness: BoolProperty(name="Transom Thickness", default=True)
+    casing_thickness: BoolProperty(name="Casing Thickness", default=True)
+    casing_depth: BoolProperty(name="Casing Depth", default=True)
+    swing_arc: BoolProperty(name="Swing Arc", default=True, description="Show door swing direction arc")
+    flip_arc: BoolProperty(name="Flip Arc", default=True, description="Show flip door orientation arc")
+
+    if TYPE_CHECKING:
+        overall_height: bool
+        overall_width: bool
+        threshold_thickness: bool
+        threshold_depth: bool
+        lining_depth: bool
+        lining_thickness: bool
+        transom_offset: bool
+        transom_thickness: bool
+        casing_thickness: bool
+        casing_depth: bool
+        swing_arc: bool
+        flip_arc: bool
+
+
+class GizmoPreferencesWindow(bpy.types.PropertyGroup):
+    """Property group for window gizmo visibility settings."""
+
+    overall_height: BoolProperty(name="Overall Height", default=True)
+    overall_width: BoolProperty(name="Overall Width", default=True)
+    lining_depth: BoolProperty(name="Lining Depth", default=True)
+    lining_thickness: BoolProperty(name="Lining Thickness", default=True)
+    lining_to_panel_offset_x: BoolProperty(name="Lining to Panel Offset X", default=True)
+    lining_to_panel_offset_y: BoolProperty(name="Lining to Panel Offset Y", default=True)
+    mullion_thickness: BoolProperty(name="Mullion Thickness", default=True)
+    first_mullion_offset: BoolProperty(name="First Mullion Offset", default=True)
+    second_mullion_offset: BoolProperty(name="Second Mullion Offset", default=True)
+    transom_thickness: BoolProperty(name="Transom Thickness", default=True)
+    first_transom_offset: BoolProperty(name="First Transom Offset", default=True)
+    second_transom_offset: BoolProperty(name="Second Transom Offset", default=True)
+
+    if TYPE_CHECKING:
+        overall_height: bool
+        overall_width: bool
+        lining_depth: bool
+        lining_thickness: bool
+        lining_to_panel_offset_x: bool
+        lining_to_panel_offset_y: bool
+        mullion_thickness: bool
+        first_mullion_offset: bool
+        second_mullion_offset: bool
+        transom_thickness: bool
+        first_transom_offset: bool
+        second_transom_offset: bool
+
+
+class GizmoPreferencesStair(bpy.types.PropertyGroup):
+    """Property group for stair gizmo visibility settings."""
+
+    width: BoolProperty(name="Width", default=True)
+    height: BoolProperty(name="Height", default=True)
+    tread_run: BoolProperty(name="Tread Run", default=True)
+    tread_depth: BoolProperty(name="Tread Depth", default=True)
+    nosing_length: BoolProperty(name="Nosing Length", default=True)
+    nosing_depth: BoolProperty(name="Nosing Depth", default=True)
+    total_length_target: BoolProperty(name="Total Length Target", default=True)
+    base_slab_depth: BoolProperty(name="Base Slab Depth", default=True)
+    top_slab_depth: BoolProperty(name="Top Slab Depth", default=True)
+    lock: BoolProperty(name="Total Length Lock", default=True)
+    plus: BoolProperty(name="Add Tread (+)", default=True)
+    minus: BoolProperty(name="Remove Tread (-)", default=True)
+    cycle: BoolProperty(name="Cycle Stair Type", default=True)
+
+    if TYPE_CHECKING:
+        width: bool
+        height: bool
+        tread_run: bool
+        tread_depth: bool
+        nosing_length: bool
+        nosing_depth: bool
+        total_length_target: bool
+        base_slab_depth: bool
+        top_slab_depth: bool
+        lock: bool
+        plus: bool
+        minus: bool
+        cycle: bool
+
+
+class GizmoPreferences(bpy.types.PropertyGroup):
+    """Property group for all gizmo visibility settings."""
+
+    draw_gizmos_in_3d_viewport: BoolProperty(
+        name="Draw Gizmos In 3D Viewport",
+        default=True,
+        description="Show interactive gizmos in the 3D viewport for parametric elements",
+    )
+    door: bpy.props.PointerProperty(type=GizmoPreferencesDoor)
+    window: bpy.props.PointerProperty(type=GizmoPreferencesWindow)
+    stair: bpy.props.PointerProperty(type=GizmoPreferencesStair)
+
+    if TYPE_CHECKING:
+        draw_gizmos_in_3d_viewport: bool
+        door: GizmoPreferencesDoor
+        window: GizmoPreferencesWindow
+        stair: GizmoPreferencesStair
+
+
 class DocPreferences(bpy.types.PropertyGroup):
     sheets_dir: StringProperty(
         default=os.path.join("sheets") + os.path.sep,
@@ -320,29 +448,63 @@ class DocPreferences(bpy.types.PropertyGroup):
         classes_no_cut: str
 
 
+class DefaultParameters(bpy.types.PropertyGroup):
+    door: bpy.props.PointerProperty(type=BIMDoorProperties)
+    window: bpy.props.PointerProperty(type=BIMWindowProperties)
+    railing: bpy.props.PointerProperty(type=BIMRailingProperties)
+    roof: bpy.props.PointerProperty(type=BIMRoofProperties)
+    stair: bpy.props.PointerProperty(type=BIMStairProperties)
+
+
 class BIM_ADDON_preferences(bpy.types.AddonPreferences):
     bl_idname = tool.Blender.get_blender_addon_package_name()
     svg2pdf_command: StringProperty(
         name="SVG to PDF Command",
-        description='print sheet to pdf together with svg. Leave blank svg is just created, E.g. [["path to application eg. /Applications/Inkscape.app/Contents/MacOS/inkscape", "svg", "-o", "pdf"]]',
+        description=(
+            "print sheet to pdf together with svg. Leave blank svg is just created, "
+            'E.g. [["path to application eg. /Applications/Inkscape.app/Contents/MacOS/inkscape", "svg", "-o", "pdf"]]'
+            '\n `"svg"`, `"pdf"` will be replaced automatically.'
+        ),
     )
     svg2dxf_command: StringProperty(
         name="SVG to DXF Command",
-        description='E.g. [["inkscape", "svg", "-o", "eps"], ["pstoedit", "-dt", "-f", "dxf:-polyaslines -mm", "eps", "dxf", "-psarg", "-dNOSAFER"]]',
+        description=(
+            'E.g. `[["inkscape", "svg", "-o", "eps"], '
+            '["pstoedit", "-dt", "-f", "dxf:-polyaslines -mm", "eps", "dxf", "-psarg", "-dNOSAFER"]]`'
+            '\n `"svg"`, `"eps"`, `"dxf"` will be replaced automatically.'
+        ),
     )
     svg_command: StringProperty(
         name="SVG Command",
-        description='Software to open generated drawing and sheets. Leave blank system default for .svg is used E.g. [["path to application eg. /Applications/Microsoft Edge.app/Contents/MacOS/Microsoft Edge", "path"]]',
+        description=(
+            "Software to open generated drawing and sheets. Leave blank system default for .svg is used "
+            'E.g. [["path to application eg. /Applications/Microsoft Edge.app/Contents/MacOS/Microsoft Edge", "path"]]'
+            '\n `"path"` will be replaced with the path to the generated .svg file.'
+        ),
     )
     layout_svg_command: StringProperty(
         name="Layout SVG Command",
-        description='Software to open layouts, before generated. Leave blank system default for .svg is used E.g.  [["path to application eg. /Applications/Inkscape.app/Contents/MacOS/inkscape", "path"]]',
+        description=(
+            "Software to open layouts, before generated. Leave blank system default for .svg is used. "
+            'E.g. `[["path to application eg. /Applications/Inkscape.app/Contents/MacOS/inkscape", "path"]]`'
+            '\n `"path"` will be replaced with the path to the generated .svg file.'
+        ),
     )
     pdf_command: StringProperty(
         name="PDF Command",
-        description='Software to open .pdf, leave blank uses system default. E.g. [["path to application eg. /Applications/Inkscape.app/Contents/MacOS/inkscape", "path"]]',
+        description=(
+            "Software to open .pdf, leave blank uses system default. "
+            'E.g. `[["path to application eg. /Applications/Inkscape.app/Contents/MacOS/inkscape", "path"]]`'
+            '\n `"path"` will be replaced with the path to the generated .pdf file.'
+        ),
+    )
+    spreadsheet_command: StringProperty(
+        name="Spreadsheet Command",
+        description=(
+            'E.g. [["libreoffice", "path"]]'
+            '\n `"path"` will be replaced with the path to the generated spreadsheet file.'
+        ),
     )
-    spreadsheet_command: StringProperty(name="Spreadsheet Command", description='E.g. [["libreoffice", "path"]]')
     should_hide_empty_props: BoolProperty(
         name="Hide Empty Properties",
         default=True,
@@ -351,12 +513,18 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
     should_setup_workspace: BoolProperty(
         name="Setup Workspace Layout for BIM",
         default=True,
-        description="If enabled, this will add a default workspace dedicated to working with BIM models.\nIt is recommended to keep this `Enabled`",
+        description=(
+            "If enabled, this will add a default workspace dedicated to working with BIM models.\n"
+            "It is recommended to keep this `Enabled`"
+        ),
     )
     activate_workspace: BoolProperty(
         name="Activate BIM Workspace on Startup",
         default=True,
-        description="If enabled, this will automatically activate the BIM workspace when opening a project.\nIt is recommended to keep this `Enabled`",
+        description=(
+            "If enabled, this will automatically activate the BIM workspace when opening a project.\n"
+            "It is recommended to keep this `Enabled`"
+        ),
     )
     should_setup_toolbar: BoolProperty(
         name="Always Show Toolbar In 3D Viewport",
@@ -366,7 +534,9 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
     should_use_snap: BoolProperty(
         name="Enable Snapping on Startup",
         default=True,
-        description="If enabled, snapping will be enabled on new sessions.\nIt is recommended to keep this `Enabled`",
+        description=(
+            "If enabled, snapping will be enabled on new sessions.\n" "It is recommended to keep this `Enabled`"
+        ),
     )
     should_play_chaching_sound: BoolProperty(name="Play A Cha-Ching Sound When Project Costs Updates", default=False)
     tmp_dir: StringProperty(
@@ -428,7 +598,10 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         max=100,
         subtype="PERCENTAGE",
         name="Non-Openings Opacity",
-        description="When modifying openings, other elements of the model will display with some transparency.\n0 is fully transparent and 100 is fully opaque",
+        description=(
+            "When modifying openings, other elements of the model will display with some transparency.\n"
+            "0 is fully transparent and 100 is fully opaque"
+        ),
     )
 
     bsdd_load_preview_dictionaries: BoolProperty(
@@ -456,6 +629,7 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         name="Occurrence Name Function",
         description="Code that will be evaluated to generate occurrence name for CUSTOM occurrence name style",
     )
+    gizmos: bpy.props.PointerProperty(type=GizmoPreferences)
 
     def update_data_dir(self, context: bpy.types.Context) -> None:
         import bonsai.bim.schema
@@ -486,6 +660,11 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         subtype="DIR_PATH",
     )
     doc: bpy.props.PointerProperty(type=DocPreferences)
+    default_parameters: bpy.props.PointerProperty(
+        type=DefaultParameters,
+        name="Default Parameters",
+        description="Default parameters for BIM elements",
+    )
 
     if TYPE_CHECKING:
         svg2pdf_command: str
@@ -498,6 +677,7 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         should_setup_workspace: bool
         activate_workspace: bool
         should_setup_toolbar: bool
+        should_use_snap: bool
         should_play_chaching_sound: bool
         tmp_dir: str
         decorations_colour: tuple[float, float, float, float]
@@ -515,10 +695,12 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         should_always_cache: bool
         occurrence_name_style: Literal["CLASS", "TYPE", "CUSTOM"]
         occurrence_name_function: str
+        gizmos: GizmoPreferences
         data_dir: str
         cache_dir: str
         pset_dir: str
         doc: DocPreferences
+        default_parameters: DefaultParameters
 
     def draw(self, context: bpy.types.Context) -> None:
         layout = self.layout
@@ -561,10 +743,61 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         layout.prop(self, "should_use_snap")
         layout.prop(self, "should_play_chaching_sound")
 
+        layout.prop(self.gizmos, "draw_gizmos_in_3d_viewport")
+        if self.gizmos.draw_gizmos_in_3d_viewport:
+            bonsai.bim.helper.draw_expandable_panel(
+                layout,
+                context,
+                "Gizmos Parameters",
+                self.draw_gizmo_parameters,
+            )
+
+    def draw_gizmo_parameters(self, layout: bpy.types.UILayout, context: bpy.types.Context) -> None:
+        layout.label(text="Toggle visibility of gizmos in editing mode")
+        box = layout.box()
+        bonsai.bim.helper.draw_expandable_panel(box, context, "Parametric Door", self.draw_door_gizmo_parameters)
+        bonsai.bim.helper.draw_expandable_panel(box, context, "Parametric Window", self.draw_window_gizmo_parameters)
+        bonsai.bim.helper.draw_expandable_panel(box, context, "Parametric Stair", self.draw_stair_gizmo_parameters)
+
+    def draw_door_gizmo_parameters(self, layout: bpy.types.UILayout, context: bpy.types.Context) -> None:
+        from bonsai.bim.module.model.door import GizmoDoorEdition
+
+        door_gizmos = self.gizmos.door
+        gizmo_prop_names = {p.attr_name for p in GizmoDoorEdition.gizmo_props}
+        gizmo_prop_names.update(("swing_arc", "flip_arc"))
+        for prop in door_gizmos.__annotations__:
+            if prop in gizmo_prop_names:
+                layout.prop(door_gizmos, prop)
+
+    def draw_window_gizmo_parameters(self, layout: bpy.types.UILayout, context: bpy.types.Context) -> None:
+        from bonsai.bim.module.model.window import GizmoWindowEdition
+
+        window_gizmos = self.gizmos.window
+        gizmo_prop_names = {p.attr_name for p in GizmoWindowEdition.gizmo_props}
+        for prop in window_gizmos.__annotations__:
+            if prop in gizmo_prop_names:
+                layout.prop(window_gizmos, prop)
+
+    def draw_stair_gizmo_parameters(self, layout: bpy.types.UILayout, context: bpy.types.Context) -> None:
+        from bonsai.bim.module.model.stair import GizmoStairEdition
+
+        stair_gizmos = self.gizmos.stair
+        gizmo_prop_names = {p.attr_name for p in GizmoStairEdition.gizmo_props}
+        special_gizmo_names = {"lock", "plus", "minus"}
+        for prop in stair_gizmos.__annotations__:
+            if prop in gizmo_prop_names or prop in special_gizmo_names:
+                layout.prop(stair_gizmos, prop)
+
     def draw_model_settings(self, layout: bpy.types.UILayout, context: bpy.types.Context) -> None:
         layout.prop(self, "occurrence_name_style")
         if self.occurrence_name_style == "CUSTOM":
             layout.prop(self, "occurrence_name_function")
+        bonsai.bim.helper.draw_expandable_panel(
+            layout,
+            context,
+            "Default Parameters",
+            self.draw_default_parameters,
+        )
 
     def draw_directories(self, layout: bpy.types.UILayout, context: bpy.types.Context) -> None:
         layout.prop(self, "data_dir")
@@ -601,6 +834,39 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         layout.row().prop(self, "decorator_color_error")
         layout.row().prop(self, "decorator_color_background")
 
+    def draw_default_parameters(self, layout: bpy.types.UILayout, context: bpy.types.Context) -> None:
+        box = layout.box()
+        bonsai.bim.helper.draw_expandable_panel(
+            box,
+            context,
+            "Door",
+            lambda _layout, _context: draw_door_properties(_layout, self.default_parameters.door),
+        )
+        bonsai.bim.helper.draw_expandable_panel(
+            box,
+            context,
+            "Window",
+            lambda _layout, _context: draw_window_properties(_layout, self.default_parameters.window),
+        )
+        bonsai.bim.helper.draw_expandable_panel(
+            box,
+            context,
+            "Railing",
+            lambda _layout, _context: draw_railing_properties(_layout, self.default_parameters.railing),
+        )
+        bonsai.bim.helper.draw_expandable_panel(
+            box,
+            context,
+            "Roof",
+            lambda _layout, _context: draw_roof_properties(_layout, self.default_parameters.roof),
+        )
+        bonsai.bim.helper.draw_expandable_panel(
+            box,
+            context,
+            "Stair",
+            lambda _layout, _context: draw_stair_properties(_layout, self.default_parameters.stair),
+        )
+
     def draw_other_settings(self, layout: bpy.types.UILayout, context: bpy.types.Context) -> None:
         layout.prop(self, "opening_focus_opacity")
         layout.prop(self, "should_disable_undo_on_save")

src/bonsai/bonsai/core/drawing.py

@@ -60,10 +60,18 @@ def edit_assigned_product(
 ) -> None:
     element = ifc.get_entity(obj)
     assert element
-    existing_product = drawing.get_assigned_product(element)
-    if existing_product != product:
-        if existing_product:
+
+    # Temporarily accomodate existing bug and check for multiple products.
+    existing_products = drawing.get_assigned_product_workaround(element)
+    if existing_products != [product]:
+
+        if product in existing_products:
+            assert product is not None
+            existing_products.remove(product)
+
+        for existing_product in existing_products:
             ifc.run("drawing.unassign_product", relating_product=existing_product, related_object=element)
+
         if product:
             ifc.run("drawing.assign_product", relating_product=product, related_object=element)
 

src/bonsai/bonsai/core/geometry.py

@@ -147,7 +147,7 @@ def remove_representation(
     assert element
     element_type = geometry.get_element_type(element)
     data = None
-    has_switched_from_data = False
+    data_removed_by_switch_representation = False
     if element_type and (geometry.is_mapped_representation(representation) or geometry.is_type_product(element)):
         representation = geometry.resolve_mapped_representation(representation)
         data = geometry.get_representation_data(representation)
@@ -155,7 +155,7 @@ def remove_representation(
             for element in geometry.get_elements_of_type(element_type):
                 obj = ifc.get_object(element)
                 if obj:
-                    has_switched_from_data = True
+                    data_removed_by_switch_representation = True
                     geometry.switch_from_representation(obj, representation)
             obj = ifc.get_object(element_type)
             if obj:
@@ -164,12 +164,13 @@ def remove_representation(
     else:
         data = geometry.get_representation_data(representation)
         if data and geometry.has_data_users(data):
-            has_switched_from_data = True
+            data_removed_by_switch_representation = True
             geometry.switch_from_representation(obj, representation)
         ifc.run("geometry.unassign_representation", product=element, representation=representation)
 
     ifc.run("geometry.remove_representation", representation=representation)
-    if data and not has_switched_from_data:
+
+    if data and not data_removed_by_switch_representation:
         geometry.delete_data(data)
 
 

src/bonsai/bonsai/core/root.py

@@ -70,8 +70,7 @@ def assign_class(
     ifc_representation_class: Optional[str] = None,
 ) -> Optional[ifcopenshell.entity_instance]:
     """
-    Args:
-        context: is not optional if `should_add_representation` is True
+    :param context: is not optional if ``should_add_representation`` is True
 
     TODO: Do NOT use should_add_representation. Because it internally calls
     geometry.add_representation which is 1,000 lines of Blender -> IFC magic.

src/bonsai/bonsai/core/tool.py

@@ -308,6 +308,7 @@ class Document:
 class Drawing:
     def activate_drawing(cls, camera): pass
     def add_literal(cls, **attributes): pass
+    def clear_annotation_relationships(cls, drawing): pass
     def copy_representation(cls, source, dest): pass
     def create_annotation_context(cls, target_view, object_type=None): pass
     def create_annotation_object(cls, drawing, object_type): pass
@@ -342,6 +343,7 @@ class Drawing:
     def get_annotation_context(cls, target_view, object_type=None): pass
     def get_annotation_representation(cls, element_type): pass
     def get_assigned_product(cls, element): pass
+    def get_assigned_product_workaround(cls, element): pass
     def get_body_context(cls): pass
     def get_default_drawing_path(cls, name): pass
     def get_default_drawing_resource_path(cls, resource): pass
@@ -485,6 +487,19 @@ class Georeference:
     def xyz2enh(cls, coordinates): pass
 
 
+@interface
+class Group:
+    def get_group_props(cls): pass
+    def get_groups_data(cls, group_type): pass
+    def import_groups(cls, group_type): pass
+    def enable_group_editing_ui(cls)    : pass
+    def disable_group_editing_ui(cls): pass
+    def disable_editing_group(cls): pass
+    def set_active_group_to_edit(cls, group): pass
+    def toggle_group(cls, group, group_type, option): pass
+    def update_uilist_index(cls, group_type): pass
+
+
 @interface
 class Ifc:
     def get(cls): pass
@@ -854,8 +869,6 @@ class Sequence:
     def get_animation_product_frames(cls, work_schedule, settings): pass
     def get_animation_settings(cls): pass
     def get_checked_tasks(cls): pass
-    def get_direct_nested_tasks(cls, task):pass
-    def get_direct_task_outputs(cls, task): pass
     def get_finish_date(cls): pass
     def get_highlighted_task(cls): pass
     def get_lag_time_attributes(cls): pass