Path: TD version of getEnvelope for testing.

src/Mod/Path/PathScripts/PathUtils.py

@@ -211,6 +211,23 @@ def getEnvelope(partshape, stockheight=None):
     else:
         return sec.extrude(FreeCAD.Vector(0, 0, partshape.BoundBox.ZMax))
 
+def getEnvelopeTD(partshape, stockheight=None):
+    '''
+    getEnvelopTD(partshape, stockheight=None)
+    Uses the TechDraw findShapeOutline to return a shape corresponding to the
+    partshape silhouette extruded to height.  if stockheight is given, the
+    returned shape is extruded to that height otherwise the returned shape
+    is the height of the original shape boundbox
+    partshape = solid object
+    stockheight = float
+    '''
+    import TechDraw
+    sec = Part.Face(TechDraw.findShapeOutline(partshape, 1 , FreeCAD.Vector(0,0,1)))
+    if stockheight is not None:
+        return sec.extrude(FreeCAD.Vector(0, 0, stockheight))
+    else:
+        return sec.extrude(FreeCAD.Vector(0, 0, partshape.BoundBox.ZMax))
+
 def reverseEdge(e):
     if geomType(e) == "Circle":
         arcstpt = e.valueAt(e.FirstParameter)