3D programs
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John, I can upload a test file for you with some simple objects in it, like
cubes, spheres, etc. if you like. CAD-3D is the only commercial 3D program
for the ST, I believe. Some of the drafting packages may support some sort
of 3D file format, but I'm not sure. I've got a zillion 3D objects, and
will be happy to upload some for you.