From 9bd89e7e290b0bceb20da91290e586ea91b9b2f3 Mon Sep 17 00:00:00 2001
From: Yorik van Havre <yorik@uncreated.net>
Date: Sun, 28 Feb 2016 14:03:29 -0300
Subject: [PATCH] Arch: Fixed bug in extrusion of structures - fixes #2458

---
 src/Mod/Arch/ArchStructure.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Arch/ArchStructure.py b/src/Mod/Arch/ArchStructure.py
index a3bd53958..89cc20f3a 100644
--- a/src/Mod/Arch/ArchStructure.py
+++ b/src/Mod/Arch/ArchStructure.py
@@ -380,7 +380,9 @@ class _Structure(ArchComponent.Component):
                         if len(obj.Base.Shape.Faces) > 0 :
                             normal=obj.Base.Shape.Faces[0].normalAt(.5,.5)
                         else:
-                            return
+                            normal = DraftGeomUtils.getNormal(obj.Base.Shape)
+                            if not normal:
+                                normal = FreeCAD.Vector(0,0,1)
                             #p = FreeCAD.Placement(obj.Base.Placement)
                             #normal = p.Rotation.multVec(normal)
                     else: