With Moldflow 2017.3 when doing an overmolding simulation and changing the material of the second shot, all results of the study are deleted. Even those results of the first shot are deleted, though they should be unaffected.   I don't remember exactly, but I'm sure that some time ago it was possible to change the material of the second shot without loosing all results.   I think Moldflow should keep all results that are unaffected by the changes. Show More