From e374ba98733d96a91a046ac1d597898ce4b724f6 Mon Sep 17 00:00:00 2001
From: Yorik van Havre <yorik@uncreated.net>
Date: Thu, 13 Feb 2014 10:04:06 -0200
Subject: [PATCH] Draft: prevent other Draft objects from becoming Support

---
 src/Mod/Draft/DraftTools.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Mod/Draft/DraftTools.py b/src/Mod/Draft/DraftTools.py
index fa54028c0..1307d9903 100644
--- a/src/Mod/Draft/DraftTools.py
+++ b/src/Mod/Draft/DraftTools.py
@@ -164,6 +164,9 @@ def getSupport(args=None):
             self.display(plane.axis)
     except:
         pass
+    if obj.isDerivedFrom("Part::Part2DObject"):
+        # make sure we don't set another Draft object as support
+        return None
     return obj
 
 def hasMod(args,mod):