From fc617e1524709f08392b0a4701ef8875824a3d86 Mon Sep 17 00:00:00 2001
From: mwganson <mwganson@gmail.com>
Date: Thu, 10 Mar 2022 13:08:23 -0600
Subject: [PATCH] Part: 2doffset fix crash by chacking for null shape before
 adding with builder.Add()

---
 src/Mod/Part/App/TopoShape.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Part/App/TopoShape.cpp b/src/Mod/Part/App/TopoShape.cpp
index 0537100849..914b35845d 100644
--- a/src/Mod/Part/App/TopoShape.cpp
+++ b/src/Mod/Part/App/TopoShape.cpp
@@ -3130,7 +3130,9 @@ TopoDS_Shape TopoShape::makeOffset2D(double offset, short joinType, bool fill, b
         BRep_Builder builder;
         builder.MakeCompound(result);
         for(TopoDS_Shape &sh : shapesToReturn) {
-            builder.Add(result, sh);
+            if (!sh.IsNull()) {
+                builder.Add(result, sh);
+            }
         }
         return TopoDS_Shape(std::move(result));
     }