From 05dac2eeb3c80bc735418a93963167ec73684b8d Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sat, 3 May 2014 14:06:14 +0200
Subject: [PATCH] + Exception handling in _BSpline.execute

---
 src/Mod/Draft/Draft.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Draft/Draft.py b/src/Mod/Draft/Draft.py
index 118c0307feea..414b352b5a8c 100644
--- a/src/Mod/Draft/Draft.py
+++ b/src/Mod/Draft/Draft.py
@@ -4013,7 +4013,12 @@ def execute(self, obj):
                 spline.interpolate(obj.Points, True)
                 # DNC: bug fix: convert to face if closed
                 shape = Part.Wire(spline.toShape())
-                shape = Part.Face(shape)
+                # Creating a face from a closed spline cannot be expected to always work
+                # Usually, if the spline is not flat the call of Part.Face() fails
+                try:
+                    shape = Part.Face(shape)
+                except:
+                    pass
                 obj.Shape = shape
             else:   
                 spline = Part.BSplineCurve()