diff --git a/ahb_techdraw_extensions.py b/ahb_techdraw_extensions.py
index 2f54ff5..2ac4deb 100644
--- a/ahb_techdraw_extensions.py
+++ b/ahb_techdraw_extensions.py
@@ -419,6 +419,9 @@ class TechDrawExtensions:
 		if obj.TypeId == 'App::Link':
 			partLink = obj
 			objectCenterWorld = partLink.LinkPlacement.Matrix.multiply(partLink.LinkedObject.Shape.CenterOfGravity)
+		elif obj.TypeId == 'Part::FeaturePython' and hasattr(obj, 'LinkedObject'): # variant link
+			partLink = obj
+			objectCenterWorld = partLink.LinkedObject.Shape.CenterOfGravity
 		else:
 			objectCenterWorld = obj.Shape.CenterOfGravity