PartDesign: Check closedness in AddSub refine function

FreeCAD · Feb 19, 2021 · c107ca3 · c107ca3
1 parent 857ba06
commit c107ca3
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/Mod/PartDesign/App/FeatureAddSub.cpp b/src/Mod/PartDesign/App/FeatureAddSub.cpp
@@ -71,6 +71,9 @@ TopoDS_Shape FeatureAddSub::refineShapeIfActive(const TopoDS_Shape& oldShape) co
         try {
             Part::BRepBuilderAPI_RefineModel mkRefine(oldShape);
             TopoDS_Shape resShape = mkRefine.Shape();
+            if (!TopoShape(resShape).isClosed()) {
+                return oldShape;
+            }
             return resShape;
         }
         catch (Standard_Failure&) {