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Coincident or interfering geometry when saving assembly to STL

Question asked by Ram R. on Sep 30, 2017
Latest reply on Oct 13, 2017 by Bjorn Hulman

I'm using Solidworks to design parts to be 3d-printed.


I've noticed that if I'm making an assembly, where one part has features that touch other parts, then when I try to save that assembly as an STL for printing, I'll get a dialog from Solidworks saying "This assembly has coincident or interfering geometry that may be unsuitable for some rapid prototyping systems." If I save it, then this STL later causes problems when trying to print it.


What can I do? I'd like to be able to print my assemblies.


Here is a very simple example assembly where you can see this phenomenon. Part 1 is just a simple cube, and part 2 is another simple cube that is flush with part 1.