[Gmsh] Combine 2 Objects in Mesh

[William Seigfreid]

Hello,

I'm trying to mesh 2 objects that share a common interface.  I want them to
share a common interface so that I can later assign different material
properties to each part.

I have attached my test case stl files, my test geo file, and the
compressed output when I run the geo file.  My current geo file doesn't
create a mesh and I'm not sure how to proceed.  I would be very grateful if
someone could help.

Thanks,
William
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