Fix AMF save with merged dual-extrusion objects.

diff --git a/Cura/util/objectScene.py b/Cura/util/objectScene.py
index 4e72f7d99871c058b7f999d6815395e44c21c9fb..389d23d00bc2edc932e1877510f947fe688d1641 100644 (file)
--- a/Cura/util/objectScene.py
+++ b/Cura/util/objectScene.py
@@ -136,6 +136,8 @@ class Scene(object):
        def merge(self, obj1, obj2):
                self.remove(obj2)
                obj1._meshList += obj2._meshList
+               for m in obj2._meshList:
+                       m._obj = obj1
                obj1.processMatrix()
                obj1.setPosition((obj1.getPosition() + obj2.getPosition()) / 2)
                self.pushFree()