Path: Sort edges before splitting at selected vertex

src/Mod/Path/PathScripts/PathEngraveBase.py

@@ -30,6 +30,7 @@ import copy
 # lazily loaded modules
 from lazy_loader.lazy_loader import LazyLoader
 DraftGeomUtils = LazyLoader('DraftGeomUtils', globals(), 'DraftGeomUtils')
+Part = LazyLoader('Part', globals(), 'Part')
 
 from PySide import QtCore
 
@@ -69,9 +70,11 @@ class ObjectOp(PathOp.ObjectOp):
 
             # reorder the wire
             if hasattr(obj, 'StartVertex'):
-                offset = DraftGeomUtils.rebaseWire(offset, obj.StartVertex)
+                start_idx = obj.StartVertex
 
             edges = copy.copy(PathOpTools.orientWire(offset, forward).Edges)
+            edges = Part.sortEdges(edges)[0];
+
             last = None
 
             for z in zValues: