diff --git a/src/bonsai/bonsai/bim/import_ifc.py b/src/bonsai/bonsai/bim/import_ifc.py
index 0c28e5d43a..0893ce404f 100644
--- a/src/bonsai/bonsai/bim/import_ifc.py
+++ b/src/bonsai/bonsai/bim/import_ifc.py
@@ -1138,7 +1138,22 @@ class IfcImporter:
             bpy.ops.view3d.view_selected()
             bpy.ops.object.select_all(action="DESELECT")
 
-    def setup_arrays(self, annotations_to_import: Optional[set[ifcopenshell.entity_instance]] = None) -> None:
+    def setup_arrays(
+        self,
+        *,
+        annotations_to_import: Optional[set[ifcopenshell.entity_instance]] = None,
+        openings_to_import: Optional[set[ifcopenshell.entity_instance]] = None,
+    ) -> None:
+        # During base import some elements are skipped.
+        is_base_import = True
+        elements_to_import: set[ifcopenshell.entity_instance] = set()
+        if annotations_to_import is not None:
+            is_base_import = False
+            elements_to_import = annotations_to_import
+        elif openings_to_import is not None:
+            is_base_import = False
+            elements_to_import = openings_to_import
+
         for pset in self.file.by_type("IfcPropertySet"):
             if pset.Name != "BBIM_Array":
                 continue
@@ -1148,12 +1163,11 @@ class IfcImporter:
             for rel in pset.DefinesOccurrence:
                 element: ifcopenshell.entity_instance
                 for element in rel.RelatedObjects:
-                    if annotations_to_import is None:
-                        # IfcAnnotations are not loaded during base import.
-                        if element.is_a("IfcAnnotation"):
+                    if is_base_import:
+                        if element.is_a("IfcAnnotation") or element.is_a("IfcOpeningElement"):
                             continue
                     else:
-                        if element not in annotations_to_import:
+                        if element not in elements_to_import:
                             continue
                     for i in range(len(data)):
                         tool.Blender.Modifier.Array.set_children_lock_state(element, i, True)
diff --git a/src/bonsai/bonsai/tool/drawing.py b/src/bonsai/bonsai/tool/drawing.py
index 55e0426c23..7cbf5a420b 100644
--- a/src/bonsai/bonsai/tool/drawing.py
+++ b/src/bonsai/bonsai/tool/drawing.py
@@ -785,7 +785,7 @@ class Drawing(bonsai.core.tool.Drawing):
         ifc_importer.load_existing_meshes()
         ifc_importer.material_creator.load_existing_materials()
         ifc_importer.create_generic_elements(elements)
-        ifc_importer.setup_arrays(elements)
+        ifc_importer.setup_arrays(annotations_to_import=elements)
         for obj in ifc_importer.added_data.values():
             tool.Collector.assign(obj)
 
diff --git a/src/bonsai/bonsai/tool/model.py b/src/bonsai/bonsai/tool/model.py
index fdf68461e0..ca2c009feb 100644
--- a/src/bonsai/bonsai/tool/model.py
+++ b/src/bonsai/bonsai/tool/model.py
@@ -587,13 +587,15 @@ class Model(bonsai.core.tool.Model):
     def load_openings(cls, openings: list[ifcopenshell.entity_instance]) -> Iterable[bpy.types.Object]:
         if not openings:
             return []
+        elements = set(openings)
         ifc_import_settings = import_ifc.IfcImportSettings.factory()
         ifc_importer = import_ifc.IfcImporter(ifc_import_settings)
         ifc_importer.file = tool.Ifc.get()
         ifc_importer.calculate_unit_scale()
         ifc_importer.process_context_filter()
         ifc_importer.material_creator.load_existing_materials()
-        ifc_importer.create_generic_elements(set(openings))
+        ifc_importer.create_generic_elements(elements)
+        ifc_importer.setup_arrays(openings_to_import=elements)
         for opening_obj in ifc_importer.added_data.values():
             tool.Collector.assign(opening_obj, should_clean_users_collection=False)
         return ifc_importer.added_data.values()