Fix bug where an added default material was not linked and auto synced.

src/blenderbim/blenderbim/tool/geometry.py

@@ -45,7 +45,7 @@ class Geometry(blenderbim.core.tool.Geometry):
 
     @classmethod
     def clear_scale(cls, obj):
-        if (obj.scale - Vector((1., 1.,1.))).length > 1e-4:
+        if (obj.scale - Vector((1.0, 1.0, 1.0))).length > 1e-4:
             if obj.data.users == 1:
                 context_override = {}
                 context_override["object"] = context_override["active_object"] = obj

src/blenderbim/blenderbim/tool/material.py

@@ -27,11 +27,3 @@ class Material(blenderbim.core.tool.Material):
     @classmethod
     def add_default_material_object(cls):
         return bpy.data.materials.new("Default")
-
-    @classmethod
-    def link(cls, material, obj):
-        obj.BIMObjectProperties.ifc_definition_id = material.id()
-
-    @classmethod
-    def unlink(self, obj):
-        obj.BIMObjectProperties.ifc_definition_id = 0