diff --git a/src/bonsai/bonsai/bim/module/model/polyline.py b/src/bonsai/bonsai/bim/module/model/polyline.py
index 4c1b06b0f6..5243ec24ca 100644
--- a/src/bonsai/bonsai/bim/module/model/polyline.py
+++ b/src/bonsai/bonsai/bim/module/model/polyline.py
@@ -61,20 +61,21 @@ def create_bmesh_from_vertices(vertices, is_closed=False):
 
 def get_wall_preview_data(context, relating_type):
     # Get properties from object type
-    layers = tool.Model.get_material_layer_parameters(relating_type)
-    if not layers["thickness"]:
-        return
-    thickness = layers["thickness"]
     model_props = context.scene.BIMModelProperties
     direction_sense = model_props.direction_sense
     direction = 1
     if direction_sense == "NEGATIVE":
         direction = -1
-    offset_type = model_props.offset_type
 
+    layers = tool.Model.get_material_layer_parameters(relating_type)
+    if not layers["thickness"]:
+        return
+    thickness = layers["thickness"]
+    thickness *= direction
+
+    offset_type = model_props.offset_type_vertical
     unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
     offset = model_props.offset * unit_scale
-    thickness *= direction
     offset *= direction
 
     height = float(model_props.extrusion_depth)
diff --git a/src/bonsai/bonsai/bim/module/model/prop.py b/src/bonsai/bonsai/bim/module/model/prop.py
index 76c0cd9db2..c6f56c207a 100644
--- a/src/bonsai/bonsai/bim/module/model/prop.py
+++ b/src/bonsai/bonsai/bim/module/model/prop.py
@@ -200,9 +200,9 @@ class BIMModelProperties(PropertyGroup):
         name="Material Usage Direction Sense",
         default="POSITIVE",
     )
-    offset_type: bpy.props.EnumProperty(
+    offset_type_vertical: bpy.props.EnumProperty(
         items=[("EXTERIOR", "Exterior", ""), ("CENTER", "Center", ""), ("INTERIOR", "Interior", "")],
-        name="Layer Offset Type",
+        name="Vertical Layer Offset Type",
         default="EXTERIOR",
         description="It's a convention that affects the offset to reference line",
     )
diff --git a/src/bonsai/bonsai/bim/module/model/wall.py b/src/bonsai/bonsai/bim/module/model/wall.py
index 1c479c63c6..3f92331d78 100644
--- a/src/bonsai/bonsai/bim/module/model/wall.py
+++ b/src/bonsai/bonsai/bim/module/model/wall.py
@@ -422,20 +422,10 @@ class DrawPolylineWall(bpy.types.Operator, PolylineOperator):
         props = bpy.context.scene.BIMModelProperties
         if event.value == "RELEASE" and event.type == "O":
             items = ["EXTERIOR", "CENTER", "INTERIOR"]
-            index = items.index(props.offset_type)
+            index = items.index(props.offset_type_vertical)
             size = len(items)
-            props.offset_type = items[((index + 1) % size)]
-
-            layers = tool.Model.get_material_layer_parameters(self.relating_type)
-            thickness = layers["thickness"]
-            offset = 0
-            if props.offset_type  == "CENTER":
-                offset = -thickness / 2
-            elif props.offset_type  == "INTERIOR":
-                offset = -thickness
-            props.offset = offset / self.unit_scale
-
-            tool.Blender.update_viewport()
+            props.offset_type_vertical = items[((index + 1) % size)]
+            self.set_offset(context, self.relating_type)
 
         custom_instructions = {
             'Choose Axis': {'icons':True, 'keys': ['EVENT_X', 'EVENT_Y']}
@@ -443,7 +433,7 @@ class DrawPolylineWall(bpy.types.Operator, PolylineOperator):
 
         wall_config = [
             f"Direction: {props.direction_sense}",
-            f"Offset Type: {props.offset_type}",
+            f"Offset Type: {props.offset_type_vertical}",
             f"Offset Value: {tool.Polyline.format_input_ui_units(props.offset * self.unit_scale)}",
         ]
 
@@ -486,6 +476,7 @@ class DrawPolylineWall(bpy.types.Operator, PolylineOperator):
         ProductDecorator.install(context)
         self.tool_state.use_default_container = True
         self.tool_state.plane_method = "XY"
+        self.set_offset(context, self.relating_type)
         return {"RUNNING_MODAL"}