Timers should only be started from the GUI thread.

diff --git a/Cura/gui/sceneView.py b/Cura/gui/sceneView.py
index b46b4c54c72ff3b4742cb828ac3dd7ef9db3bb55..635911d573a3c2c53595c9036259c9a04327a9f8 100644 (file)
--- a/Cura/gui/sceneView.py
+++ b/Cura/gui/sceneView.py
@@ -546,7 +546,7 @@ class SceneView(openglGui.glGuiPanel):
                self.sceneUpdated()
 
        def sceneUpdated(self):
-               self._sceneUpdateTimer.Start(500, True)
+               wx.CallAfter(self._sceneUpdateTimer.Start, 500, True)
                self._engine.abortEngine()
                self._scene.updateSizeOffsets()
                self.QueueRefresh()