diff --git a/src/bonsai/bonsai/tool/drawing.py b/src/bonsai/bonsai/tool/drawing.py
index 708f5b6c7b..023a413dcb 100644
--- a/src/bonsai/bonsai/tool/drawing.py
+++ b/src/bonsai/bonsai/tool/drawing.py
@@ -2027,6 +2027,10 @@ class Drawing(bonsai.core.tool.Drawing):
             pset = ifcopenshell.api.pset.add_pset(ifc_file, product=element, name="EPset_Annotation")
         ifcopenshell.api.pset.edit_pset(ifc_file, pset=pset, properties={"IsManualDrawingReference": True})
 
+    @classmethod
+    def is_manual_drawing_reference(cls, element: ifcopenshell.entity_instance) -> bool:
+        return bool(ifcopenshell.util.element.get_pset(element, "EPset_Annotation", "IsManualDrawingReference"))
+
     @classmethod
     def is_document_reference(cls, element: ifcopenshell.entity_instance) -> bool:
         """Return True if this annotation links to an external document (not a Bonsai drawing camera)."""