Computer experts at the National Institute of Standards (NIST) are working on a way to let 3D models include product and manufacturing data that will be readable by all CAD system. Unique 3D ...

I want to do some very basic editing of STEP files, e.g.: I need to do this sort of thing about a hundred times, so I'd rather learn how to fish than pay someone to do it, even if it's only a few $$ ...