diff --git a/src/bonsai/bonsai/bim/module/covering/workspace.py b/src/bonsai/bonsai/bim/module/covering/workspace.py
index 383a2322d9..c24f478408 100644
--- a/src/bonsai/bonsai/bim/module/covering/workspace.py
+++ b/src/bonsai/bonsai/bim/module/covering/workspace.py
@@ -136,8 +136,8 @@ class CoveringToolUI:
         if AuthoringData.data["ifc_classes"]:
             if cls.props.ifc_class:
                 box = cls.layout.box()
-                if AuthoringData.data["type_thumbnail"]:
-                    box.template_icon(icon_value=AuthoringData.data["type_thumbnail"], scale=5)
+                if thumbnail := AuthoringData.data["relating_type_data"].get("thumbnail"):
+                    box.template_icon(icon_value=thumbnail, scale=5)
                 else:
                     op = box.operator("bim.load_type_thumbnails", text="Load Thumbnails", icon="FILE_REFRESH")
                     op.ifc_class = cls.props.ifc_class
@@ -175,14 +175,14 @@ class Hotkey(bpy.types.Operator, tool.Ifc.Operator):
         element = tool.Ifc.get_entity(active_obj)
         container = tool.Root.get_default_container()
 
-        if AuthoringData.data["predefined_type"] == "FLOORING":
+        if AuthoringData.data["relating_type_data"].get("predefined_type") == "FLOORING":
             if element and bpy.context.selected_objects and element.is_a("IfcWall"):
                 bpy.ops.bim.add_instance_flooring_coverings_from_walls()
             elif container:
                 bpy.ops.bim.add_instance_flooring_covering_from_cursor()
             else:
                 bpy.ops.bim.add_constr_type_instance()
-        elif AuthoringData.data["predefined_type"] == "CEILING":
+        elif AuthoringData.data["relating_type_data"].get("predefined_type") == "CEILING":
             if element and bpy.context.selected_objects and element.is_a("IfcWall"):
                 bpy.ops.bim.add_instance_ceiling_coverings_from_walls()
             elif container:
diff --git a/src/bonsai/bonsai/bim/module/model/data.py b/src/bonsai/bonsai/bim/module/model/data.py
index 5cc0f64699..937c586343 100644
--- a/src/bonsai/bonsai/bim/module/model/data.py
+++ b/src/bonsai/bonsai/bim/module/model/data.py
@@ -26,7 +26,7 @@ from ifcopenshell.util.doc import get_entity_doc, get_predefined_type_doc
 import bonsai.tool as tool
 from math import degrees
 from natsort import natsorted
-from typing import Union, Optional
+from typing import Union, Optional, Any
 
 
 def refresh():
@@ -43,7 +43,7 @@ def refresh():
 
 class AuthoringData:
     data = {}
-    type_thumbnails = {}
+    type_thumbnails: dict[int, int] = {}
     types_per_page = 9
     is_loaded = False
 
@@ -58,13 +58,10 @@ class AuthoringData:
         # Make sure .ifc_classes() was run before next lines
         cls.data["type_elements"] = cls.type_elements()
         cls.data["type_elements_filtered"] = cls.type_elements_filtered()
+        # After .type_elements().
         cls.data["relating_type_id"] = cls.relating_type_id()
         # Make sure .relating_type_id() was run before next lines
-        cls.data["relating_type_id_current"] = cls.relating_type_id_current()
-        cls.data["relating_type_name"] = cls.relating_type_name()
-        cls.data["relating_type_description"] = cls.relating_type_description()
-        cls.data["relating_type_material_usage"] = cls.relating_type_material_usage()
-        cls.data["predefined_type"] = cls.predefined_type()
+        cls.data["relating_type_data"] = cls.relating_type_data()
         # Make sure .type_elements_filtered() was run before next lines
         cls.data["total_types"] = cls.total_types()
         cls.data["total_pages"] = cls.total_pages()  # Only after .total_types()
@@ -72,7 +69,6 @@ class AuthoringData:
         cls.data["prev_page"] = cls.prev_page()
         cls.data["paginated_relating_types"] = cls.paginated_relating_types()
 
-        cls.data["type_thumbnail"] = cls.type_thumbnail()  # Only after .relating_type_id_current()
         cls.data["materials"] = cls.materials()
         cls.data["is_voidable_element"] = cls.is_voidable_element()
         cls.data["has_visible_openings"] = cls.has_visible_openings()
@@ -109,10 +105,6 @@ class AuthoringData:
         version = tool.Ifc.get_schema()
         return [(c, c, get_entity_doc(version, c).get("description", "")) for c in sorted(names)]
 
-    @classmethod
-    def type_thumbnail(cls):
-        return cls.type_thumbnails.get(int(cls.data["relating_type_id_current"] or 0), 0)
-
     @classmethod
     def materials(cls):
         results = [("0", "None", "No material")]
@@ -150,7 +142,7 @@ class AuthoringData:
     def type_elements_filtered(cls):
         search_query = cls.props.search_name.lower()
 
-        def filter_element(element):
+        def filter_element(element: ifcopenshell.entity_instance) -> bool:
             if search_query in (element.Name or "Unnamed").lower():
                 return True
             if search_query in (element.Description or "").lower():
@@ -170,21 +162,24 @@ class AuthoringData:
         elements = cls.data["type_elements_filtered"]
         elements = elements[(cls.props.type_page - 1) * cls.types_per_page : cls.props.type_page * cls.types_per_page]
         for element in elements:
-            predefined_type = ifcopenshell.util.element.get_predefined_type(element)
-            if predefined_type == "NOTDEFINED":
-                predefined_type = None
-            results.append(
-                {
-                    "id": element.id(),
-                    "ifc_class": element.is_a(),
-                    "name": element.Name or "Unnamed",
-                    "description": element.Description or "No Description",
-                    "predefined_type": predefined_type,
-                    "icon_id": cls.type_thumbnails.get(element.id(), None) or 0,
-                }
-            )
+            results.append(cls.get_type_data(element))
         return results
 
+    @classmethod
+    def get_type_data(cls, element: ifcopenshell.entity_instance) -> dict[str, Any]:
+        predefined_type = ifcopenshell.util.element.get_predefined_type(element)
+        if predefined_type == "NOTDEFINED":
+            predefined_type = None
+        data = {
+            "id": element.id(),
+            "ifc_class": element.is_a(),
+            "name": element.Name or "Unnamed",
+            "description": element.Description or "No Description",
+            "predefined_type": predefined_type,
+            "icon_id": cls.type_thumbnails.get(element.id(), 0),
+        }
+        return data
+
     @classmethod
     def is_voidable_element(cls):
         if active_object := tool.Blender.get_active_object():
@@ -313,38 +308,16 @@ class AuthoringData:
         return [(str(e.id()), e.Name or "Unnamed", e.Description or "") for e in elements]
 
     @classmethod
-    def relating_type_id_current(cls):
+    def relating_type_data(cls) -> dict[str, Any]:
         relating_type_id = tool.Blender.get_enum_safe(cls.props, "relating_type_id")
         relating_type_id_data = cls.data["relating_type_id"]
-        if not relating_type_id and relating_type_id_data:
-            relating_type_id = relating_type_id_data[0][0]
-        return relating_type_id
-
-    @classmethod
-    def relating_type_name(cls):
-        if relating_type_id := cls.data["relating_type_id_current"]:
-            return tool.Ifc.get().by_id(int(relating_type_id)).Name or "Unnamed"
-
-    @classmethod
-    def relating_type_description(cls):
-        if relating_type_id := cls.data["relating_type_id_current"]:
-            return tool.Ifc.get().by_id(int(relating_type_id)).Description or "No description"
-
-    @classmethod
-    def relating_type_material_usage(cls):
-        if relating_type_id := cls.data["relating_type_id_current"]:
-            return tool.Model.get_usage_type(tool.Ifc.get().by_id(int(relating_type_id)))
-
-    @classmethod
-    def predefined_type(cls):
-        relating_type_id = tool.Blender.get_enum_safe(cls.props, "relating_type_id")
         if relating_type_id is None:
-            return
-        relating_type = tool.Ifc.get().by_id(int(relating_type_id))
-        if not hasattr(relating_type, "PredefinedType"):
-            return
-        predefined_type = relating_type.PredefinedType
-        return predefined_type
+            if not relating_type_id_data:
+                return {}
+            relating_type_id = relating_type_id_data[0][0]
+        ifc_file = tool.Ifc.get()
+        relating_type = ifc_file.by_id(int(relating_type_id))
+        return cls.get_type_data(relating_type)
 
     @classmethod
     def selected_material_usages(cls):
diff --git a/src/bonsai/bonsai/bim/module/model/product.py b/src/bonsai/bonsai/bim/module/model/product.py
index 4e4ebd731d..c8b9e2548f 100644
--- a/src/bonsai/bonsai/bim/module/model/product.py
+++ b/src/bonsai/bonsai/bim/module/model/product.py
@@ -646,8 +646,8 @@ class LoadTypeThumbnails(bpy.types.Operator):
             queue = queue[offset : offset + 9]
 
         # The active type may be in another page than the active one :
-        if relating_type_id_current := AuthoringData.data["relating_type_id_current"]:
-            active_element = tool.Ifc.get_entity_by_id(int(relating_type_id_current))
+        if relating_type_id_current := AuthoringData.data["relating_type_data"].get("id"):
+            active_element = tool.Ifc.get_entity_by_id(relating_type_id_current)
             if active_element and active_element not in queue:
                 queue.append(active_element)
 
diff --git a/src/bonsai/bonsai/bim/module/model/prop.py b/src/bonsai/bonsai/bim/module/model/prop.py
index c8eca8963f..4a93620693 100644
--- a/src/bonsai/bonsai/bim/module/model/prop.py
+++ b/src/bonsai/bonsai/bim/module/model/prop.py
@@ -60,7 +60,7 @@ def update_ifc_class(self, context):
     AuthoringData.data["ifc_class_current"] = self.ifc_class
     AuthoringData.data["type_elements"] = AuthoringData.type_elements()
     AuthoringData.data["relating_type_id"] = AuthoringData.relating_type_id()
-    AuthoringData.data["type_thumbnail"] = AuthoringData.type_thumbnail()
+    AuthoringData.data["relating_type_data"] = AuthoringData.relating_type_data()
     if tool.Blender.get_enum_safe(self, "relating_type_id") is None:
         self["relating_type_id"] = 0
 
@@ -73,9 +73,7 @@ def update_ifc_class(self, context):
 
 def update_relating_type_id(self, context):
     AuthoringData.data["relating_type_id"] = AuthoringData.relating_type_id()
-    AuthoringData.data["relating_type_name"] = AuthoringData.relating_type_name()
-    AuthoringData.data["type_thumbnail"] = AuthoringData.type_thumbnail()
-    AuthoringData.data["predefined_type"] = AuthoringData.predefined_type()
+    AuthoringData.data["relating_type_data"] = AuthoringData.relating_type_data()
     self.type_page = [e[0] for e in AuthoringData.data["relating_type_id"]].index(self.relating_type_id) // 9 + 1
 
 
diff --git a/src/bonsai/bonsai/bim/module/model/ui.py b/src/bonsai/bonsai/bim/module/model/ui.py
index 297ce5a2d7..3374b0695d 100644
--- a/src/bonsai/bonsai/bim/module/model/ui.py
+++ b/src/bonsai/bonsai/bim/module/model/ui.py
@@ -166,9 +166,7 @@ class LaunchTypeManager(bpy.types.Operator):
                 row2.operator("bim.set_active_type", text="", emboss=False).relating_type = relating_type["id"]
                 row2.operator("bim.set_active_type", text="", emboss=False).relating_type = relating_type["id"]
                 row2.operator("bim.set_active_type", text="", emboss=False).relating_type = relating_type["id"]
-                is_current_relating_type = str(relating_type["id"]) == str(
-                    AuthoringData.data["relating_type_id_current"]
-                )
+                is_current_relating_type = relating_type["id"] == AuthoringData.data["relating_type_data"].get("id")
                 if is_current_relating_type:
                     active_row = row2.row()
                     active_row.alignment = "CENTER"
diff --git a/src/bonsai/bonsai/bim/module/model/workspace.py b/src/bonsai/bonsai/bim/module/model/workspace.py
index 014ebd013b..b35af2b5c9 100644
--- a/src/bonsai/bonsai/bim/module/model/workspace.py
+++ b/src/bonsai/bonsai/bim/module/model/workspace.py
@@ -674,12 +674,13 @@ class CreateObjectUI:
         if not (ifc_class := AuthoringData.data["ifc_class_current"]):
             return
 
+        relating_type_data = AuthoringData.data["relating_type_data"]
         box = cls.layout.box()
 
         row = box.row(align=True)
-        thumbnail: int = AuthoringData.data["type_thumbnail"]
+        thumbnail: int = relating_type_data["icon_id"]
         row.template_icon(icon_value=thumbnail)
-        row.operator("bim.launch_type_manager", text=AuthoringData.data["relating_type_name"], emboss=False)
+        row.operator("bim.launch_type_manager", text=relating_type_data["name"], emboss=False)
         row.operator(
             "bim.launch_type_manager",
             icon=tool.Blender.TYPE_MANAGER_ICON,
@@ -693,7 +694,7 @@ class CreateObjectUI:
         row.alignment = "CENTER"
         row.operator(
             "bim.launch_type_manager",
-            text=AuthoringData.data["relating_type_description"],
+            text=relating_type_data["description"],
             emboss=False,
         )
 
@@ -718,7 +719,7 @@ class CreateObjectUI:
         row.alignment = "CENTER"
         row.operator(
             "bim.launch_type_manager",
-            text=AuthoringData.data["predefined_type"],
+            text=AuthoringData.data["relating_type_data"].get("predefined_type"),
             emboss=False,
         )
 
@@ -870,7 +871,7 @@ class EditObjectUI:
             )
             row = cls.layout.row(align=True) if ui_context != "TOOL_HEADER" else row
             add_layout_hotkey_operator(row, "Rotate 90", "S_R", "Rotate the selected Element by 90 degrees", ui_context)
-            if AuthoringData.data["relating_type_material_usage"] == "LAYER3":
+            if AuthoringData.data["relating_type_data"].get("usage") == "LAYER3":
                 row = cls.layout.row(align=True) if ui_context != "TOOL_HEADER" else row
                 add_layout_hotkey_operator(
                     row,
@@ -884,7 +885,7 @@ class EditObjectUI:
             if "LAYER2" in AuthoringData.data["selected_material_usages"]:
                 row = cls.layout.row(align=True) if ui_context != "TOOL_HEADER" else row
                 add_layout_hotkey_operator(cls.layout, "Extend Wall To Slab", "S_E", "", ui_context)
-            if AuthoringData.data["relating_type_material_usage"] == "LAYER2":
+            if AuthoringData.data["relating_type_data"].get("usage") == "LAYER2":
                 row = cls.layout.row(align=True) if ui_context != "TOOL_HEADER" else row
                 add_layout_hotkey_operator(
                     row,