diff --git a/src/blenderbim/blenderbim/bim/helper.py b/src/blenderbim/blenderbim/bim/helper.py
index 38af2fc914..cf1018c3d7 100644
--- a/src/blenderbim/blenderbim/bim/helper.py
+++ b/src/blenderbim/blenderbim/bim/helper.py
@@ -267,35 +267,6 @@ def convert_property_group_from_si(property_group, skip_props=()):
         setattr(property_group, prop_name, prop_value)
 
 
-def draw_image_for_ifc_profile(draw, profile, size):
-    """generates image based on `profile` using `PIL.ImageDraw`"""
-    settings = ifcopenshell.geom.settings()
-    settings.set(settings.INCLUDE_CURVES, True)
-    shape = ifcopenshell.geom.create_shape(settings, profile)
-    verts = shape.verts
-    edges = shape.edges
-
-    grouped_verts = [[verts[i], verts[i + 1]] for i in range(0, len(verts), 3)]
-    grouped_edges = [[edges[i], edges[i + 1]] for i in range(0, len(edges), 2)]
-
-    max_x = max([v[0] for v in grouped_verts])
-    min_x = min([v[0] for v in grouped_verts])
-    max_y = max([v[1] for v in grouped_verts])
-    min_y = min([v[1] for v in grouped_verts])
-
-    dim_x = max_x - min_x
-    dim_y = max_y - min_y
-    max_dim = max([dim_x, dim_y])
-    scale = 100 / max_dim
-
-    for vert in grouped_verts:
-        vert[0] = round(scale * (vert[0] - min_x)) + ((size / 2) - scale * (dim_x / 2))
-        vert[1] = round(scale * (vert[1] - min_y)) + ((size / 2) - scale * (dim_y / 2))
-
-    for e in grouped_edges:
-        draw.line((tuple(grouped_verts[e[0]]), tuple(grouped_verts[e[1]])), fill="white", width=2)
-
-
 class IfcHeaderExtractor:
     def __init__(self, filepath: str):
         self.filepath = filepath
diff --git a/src/blenderbim/blenderbim/bim/module/model/door.py b/src/blenderbim/blenderbim/bim/module/model/door.py
index 699c08c92b..0cf815ec07 100644
--- a/src/blenderbim/blenderbim/bim/module/model/door.py
+++ b/src/blenderbim/blenderbim/bim/module/model/door.py
@@ -30,7 +30,6 @@ import blenderbim.core.geometry as core
 from blenderbim.bim.helper import convert_property_group_from_si
 from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.module.model.window import create_bm_window, create_bm_box, update_simple_openings
-from blenderbim.bim.module.model.helper import replace_ifc_representation_for_object
 
 from mathutils import Vector, Matrix
 from pprint import pprint
@@ -80,20 +79,20 @@ def update_door_modifier_representation(context):
         elevation_representation = ifcopenshell.api.run(
             "geometry.add_door_representation", ifc_file, **representation_data
         )
-        replace_ifc_representation_for_object(ifc_file, profile, obj, elevation_representation)
+        tool.Model.replace_object_ifc_representation(profile, obj, elevation_representation)
 
     # MODEL_VIEW representation
     body = ifcopenshell.util.representation.get_context(ifc_file, "Model", "Body", "MODEL_VIEW")
     representation_data["context"] = body
     model_representation = ifcopenshell.api.run("geometry.add_door_representation", ifc_file, **representation_data)
-    replace_ifc_representation_for_object(ifc_file, body, obj, model_representation)
+    tool.Model.replace_object_ifc_representation(body, obj, model_representation)
 
     # PLAN_VIEW representation
     plan = ifcopenshell.util.representation.get_context(ifc_file, "Plan", "Body", "PLAN_VIEW")
     if plan:
         representation_data["context"] = plan
         plan_representation = ifcopenshell.api.run("geometry.add_door_representation", ifc_file, **representation_data)
-        replace_ifc_representation_for_object(ifc_file, plan, obj, plan_representation)
+        tool.Model.replace_object_ifc_representation(plan, obj, plan_representation)
 
         # adding switch representation at the end instead of changing order of representations
         # to prevent #2744
diff --git a/src/blenderbim/blenderbim/bim/module/model/helper.py b/src/blenderbim/blenderbim/bim/module/model/helper.py
deleted file mode 100644
index 1666c07877..0000000000
--- a/src/blenderbim/blenderbim/bim/module/model/helper.py
+++ /dev/null
@@ -1,67 +0,0 @@
-# BlenderBIM Add-on - OpenBIM Blender Add-on
-# Copyright (C) 2023 @Andrej730
-#
-# This file is part of BlenderBIM Add-on.
-#
-# BlenderBIM Add-on is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# BlenderBIM Add-on is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
-
-import bpy
-import bmesh
-import ifcopenshell
-import ifcopenshell.util.unit
-import blenderbim.core.geometry as core
-import blenderbim.tool as tool
-
-
-def get_ifc_context_or_create(ifc_file, context_type, context_identifier, target_view):
-    ifc_context = ifcopenshell.util.representation.get_context(ifc_file, context_type, context_identifier, target_view)
-    if not ifc_context:
-        parent_context = ifcopenshell.util.representation.get_context(ifc_file, context_type)
-        ifc_context = ifcopenshell.api.run(
-            "context.add_context",
-            ifc_file,
-            context_type=context_type,
-            context_identifier=context_identifier,
-            target_view=target_view,
-            parent=parent_context,
-        )
-    return ifc_context
-
-
-def replace_ifc_representation_for_object(ifc_file, ifc_context, obj, new_representation):
-    ifc_element = tool.Ifc.get_entity(obj)
-    old_representation = ifcopenshell.util.representation.get_representation(
-        ifc_element, ifc_context.ContextType, ifc_context.ContextIdentifier, ifc_context.TargetView
-    )
-
-    if old_representation:
-        old_representation = tool.Geometry.resolve_mapped_representation(old_representation)
-        for inverse in ifc_file.get_inverse(old_representation):
-            ifcopenshell.util.element.replace_attribute(inverse, old_representation, new_representation)
-        ifcopenshell.api.run("geometry.remove_representation", ifc_file, representation=old_representation)
-    else:
-        ifcopenshell.api.run(
-            "geometry.assign_representation", ifc_file, product=ifc_element, representation=new_representation
-        )
-    core.switch_representation(
-        tool.Ifc,
-        tool.Geometry,
-        obj=obj,
-        representation=new_representation,
-        should_reload=True,
-        is_global=True,
-        should_sync_changes_first=False,
-    )
-
-
diff --git a/src/blenderbim/blenderbim/bim/module/model/product.py b/src/blenderbim/blenderbim/bim/module/model/product.py
index 1c70b83d3a..87424b06ae 100644
--- a/src/blenderbim/blenderbim/bim/module/model/product.py
+++ b/src/blenderbim/blenderbim/bim/module/model/product.py
@@ -32,7 +32,6 @@ from . import wall, slab, profile, mep
 from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.module.model.data import AuthoringData
 from blenderbim.bim.module.model.prop import store_cursor_position
-from blenderbim.bim.helper import draw_image_for_ifc_profile
 from mathutils import Vector, Matrix
 from bpy_extras.object_utils import AddObjectHelper
 from . import prop
@@ -374,7 +373,7 @@ class LoadTypeThumbnails(bpy.types.Operator, tool.Ifc.Operator):
                 material = ifcopenshell.util.element.get_material(element)
                 if material and material.is_a("IfcMaterialProfileSet"):
                     profile = material.MaterialProfiles[0].Profile
-                    draw_image_for_ifc_profile(draw, profile, size)
+                    tool.Profile.draw_image_for_ifc_profile(draw, profile, size)
 
                 elif material and material.is_a("IfcMaterialLayerSet"):
                     thicknesses = [l.LayerThickness for l in material.MaterialLayers]
diff --git a/src/blenderbim/blenderbim/bim/module/model/window.py b/src/blenderbim/blenderbim/bim/module/model/window.py
index c925766778..c3d27c7e18 100644
--- a/src/blenderbim/blenderbim/bim/module/model/window.py
+++ b/src/blenderbim/blenderbim/bim/module/model/window.py
@@ -32,7 +32,6 @@ from bpy.props import FloatProperty, IntProperty, BoolProperty
 from bmesh.types import BMVert
 from blenderbim.bim.helper import convert_property_group_from_si
 from blenderbim.bim.ifc import IfcStore
-from blenderbim.bim.module.model.helper import replace_ifc_representation_for_object
 from mathutils import Vector
 
 
@@ -148,13 +147,13 @@ def update_window_modifier_representation(context):
         elevation_representation = ifcopenshell.api.run(
             "geometry.add_window_representation", ifc_file, **representation_data
         )
-        replace_ifc_representation_for_object(ifc_file, profile, obj, elevation_representation)
+        tool.Model.replace_object_ifc_representation(profile, obj, elevation_representation)
 
     # MODEL_VIEW representation
     body = ifcopenshell.util.representation.get_context(ifc_file, "Model", "Body", "MODEL_VIEW")
     representation_data["context"] = body
     model_representation = ifcopenshell.api.run("geometry.add_window_representation", ifc_file, **representation_data)
-    replace_ifc_representation_for_object(ifc_file, body, obj, model_representation)
+    tool.Model.replace_object_ifc_representation(body, obj, model_representation)
 
     # PLAN_VIEW representation
     plan = ifcopenshell.util.representation.get_context(ifc_file, "Plan", "Body", "PLAN_VIEW")
@@ -163,7 +162,7 @@ def update_window_modifier_representation(context):
         plan_representation = ifcopenshell.api.run(
             "geometry.add_window_representation", ifc_file, **representation_data
         )
-        replace_ifc_representation_for_object(ifc_file, plan, obj, plan_representation)
+        tool.Model.replace_object_ifc_representation(plan, obj, plan_representation)
 
         # adding switch representation at the end instead of changing order of representations
         # to prevent #2744
diff --git a/src/blenderbim/blenderbim/bim/module/profile/prop.py b/src/blenderbim/blenderbim/bim/module/profile/prop.py
index 346149b7ba..747831e98d 100644
--- a/src/blenderbim/blenderbim/bim/module/profile/prop.py
+++ b/src/blenderbim/blenderbim/bim/module/profile/prop.py
@@ -24,7 +24,6 @@ import blenderbim.tool as tool
 from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.prop import StrProperty, Attribute
 from blenderbim.bim.module.profile.data import ProfileData
-from blenderbim.bim.helper import draw_image_for_ifc_profile
 from bpy.types import PropertyGroup
 from bpy.props import (
     PointerProperty,
@@ -79,7 +78,7 @@ def generate_thumbnail_for_active_profile():
     size = 128
     img = Image.new("RGBA", (size, size))
     draw = ImageDraw.Draw(img)
-    draw_image_for_ifc_profile(draw, profile, size)
+    tool.Profile.draw_image_for_ifc_profile(draw, profile, size)
     pixels = [item for sublist in img.getdata() for item in sublist]
 
     # save generated image to preview collection
diff --git a/src/blenderbim/blenderbim/core/tool.py b/src/blenderbim/blenderbim/core/tool.py
index 94221f45dc..34f7a748a5 100644
--- a/src/blenderbim/blenderbim/core/tool.py
+++ b/src/blenderbim/blenderbim/core/tool.py
@@ -398,7 +398,23 @@ class Misc:
 
 @interface
 class Model:
-    pass
+    def convert_si_to_unit(cls, value): pass
+    def convert_unit_to_si(cls, value): pass
+    def export_curve(cls, position, edge_indices, points=None): pass
+    def export_points(cls, position, indices): pass
+    def export_profile(cls, obj, position=None): pass
+    def generate_occurrence_name(cls, element_type, ifc_class): pass
+    def get_extrusion(cls, representation): pass
+    def import_profile(cls, profile, obj=None, position=None): pass
+    def import_curve(cls, obj, position, curve): pass
+    def import_rectangle(cls, obj, position, profile): pass
+    def load_openings(cls, element, openings): pass
+    def clear_scene_openings(cls): pass
+    def get_material_layer_parameters(cls, element): pass
+    def get_manual_booleans(cls, element): pass
+    def get_wall_axis(cls, obj, layers=None): pass
+    def regenerate_array(cls, parent, data): pass
+    def replace_object_ifc_representation(cls, ifc_file, ifc_context, obj, new_representation): pass
 
 
 @interface
@@ -461,6 +477,11 @@ class Project:
     def set_default_modeling_dimensions(cls): pass
 
 
+@interface
+class Profile:
+    def draw_image_for_ifc_profile(cls, draw, profile, size): pass
+
+
 @interface
 class Pset:
     def get_element_pset(cls, element, pset_name): pass
diff --git a/src/blenderbim/blenderbim/tool/__init__.py b/src/blenderbim/blenderbim/tool/__init__.py
index f011bf6039..5ccefb71be 100644
--- a/src/blenderbim/blenderbim/tool/__init__.py
+++ b/src/blenderbim/blenderbim/tool/__init__.py
@@ -38,6 +38,7 @@ from blenderbim.tool.model import Model
 from blenderbim.tool.owner import Owner
 from blenderbim.tool.patch import Patch
 from blenderbim.tool.project import Project
+from blenderbim.tool.profile import Profile
 from blenderbim.tool.pset import Pset
 from blenderbim.tool.qto import Qto
 from blenderbim.tool.resource import Resource
@@ -51,4 +52,4 @@ from blenderbim.tool.system import System
 from blenderbim.tool.type import Type
 from blenderbim.tool.unit import Unit
 from blenderbim.tool.search import Search
-from blenderbim.tool.cost import Cost
\ No newline at end of file
+from blenderbim.tool.cost import Cost
diff --git a/src/blenderbim/blenderbim/tool/model.py b/src/blenderbim/blenderbim/tool/model.py
index 1ccf6126da..f450b1b172 100644
--- a/src/blenderbim/blenderbim/tool/model.py
+++ b/src/blenderbim/blenderbim/tool/model.py
@@ -24,6 +24,7 @@ import ifcopenshell.util.placement
 import ifcopenshell.util.representation
 import blenderbim.core.tool
 import blenderbim.tool as tool
+import blenderbim.core.geometry as geometry
 from mathutils import Matrix, Vector
 from blenderbim.bim import import_ifc
 from blenderbim.bim.module.geometry.helper import Helper
@@ -408,3 +409,30 @@ class Model(blenderbim.core.tool.Model):
                 # TODO: Not sufficient, refactor OverrideDeleteTrait
 
             bpy.context.view_layer.update()
+
+    @classmethod
+    def replace_object_ifc_representation(cls, ifc_context, obj, new_representation):
+        ifc_file = tool.Ifc.get()
+        ifc_element = tool.Ifc.get_entity(obj)
+        old_representation = ifcopenshell.util.representation.get_representation(
+            ifc_element, ifc_context.ContextType, ifc_context.ContextIdentifier, ifc_context.TargetView
+        )
+
+        if old_representation:
+            old_representation = tool.Geometry.resolve_mapped_representation(old_representation)
+            for inverse in ifc_file.get_inverse(old_representation):
+                ifcopenshell.util.element.replace_attribute(inverse, old_representation, new_representation)
+            ifcopenshell.api.run("geometry.remove_representation", ifc_file, representation=old_representation)
+        else:
+            ifcopenshell.api.run(
+                "geometry.assign_representation", ifc_file, product=ifc_element, representation=new_representation
+            )
+        geometry.switch_representation(
+            tool.Ifc,
+            tool.Geometry,
+            obj=obj,
+            representation=new_representation,
+            should_reload=True,
+            is_global=True,
+            should_sync_changes_first=False,
+        )
diff --git a/src/blenderbim/blenderbim/tool/profile.py b/src/blenderbim/blenderbim/tool/profile.py
new file mode 100644
index 0000000000..ab1402daaf
--- /dev/null
+++ b/src/blenderbim/blenderbim/tool/profile.py
@@ -0,0 +1,54 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2022 @Andrej730
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# BlenderBIM Add-on is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
+
+import ifcopenshell
+import ifcopenshell.util.unit
+import ifcopenshell.util.placement
+import ifcopenshell.util.representation
+import blenderbim.core.tool
+
+
+class Profile(blenderbim.core.tool.Profile):
+    @classmethod
+    def draw_image_for_ifc_profile(cls, draw, profile, size):
+        """generates image based on `profile` using `PIL.ImageDraw`"""
+        settings = ifcopenshell.geom.settings()
+        settings.set(settings.INCLUDE_CURVES, True)
+        shape = ifcopenshell.geom.create_shape(settings, profile)
+        verts = shape.verts
+        edges = shape.edges
+
+        grouped_verts = [[verts[i], verts[i + 1]] for i in range(0, len(verts), 3)]
+        grouped_edges = [[edges[i], edges[i + 1]] for i in range(0, len(edges), 2)]
+
+        max_x = max([v[0] for v in grouped_verts])
+        min_x = min([v[0] for v in grouped_verts])
+        max_y = max([v[1] for v in grouped_verts])
+        min_y = min([v[1] for v in grouped_verts])
+
+        dim_x = max_x - min_x
+        dim_y = max_y - min_y
+        max_dim = max([dim_x, dim_y])
+        scale = 100 / max_dim
+
+        for vert in grouped_verts:
+            vert[0] = round(scale * (vert[0] - min_x)) + ((size / 2) - scale * (dim_x / 2))
+            vert[1] = round(scale * (vert[1] - min_y)) + ((size / 2) - scale * (dim_y / 2))
+
+        for e in grouped_edges:
+            draw.line((tuple(grouped_verts[e[0]]), tuple(grouped_verts[e[1]])), fill="white", width=2)