Re: BOBCAD & Nesting for a waterjet.
A couple of things @cambridgecnc:
BobCAD does do tabs, I use them frequently. Nesting is a completely different thing. There is a Nesting add-on. Is that what you are referring to? I don't have this add-on but reading the specs and seeing examples it looks like it should work fine. If on the other hand you were talking about manually nesting parts with tabs in BobCAD/CAM that does indeed work. I just played out a 2' x 3' aluminum sheet to have laser cut.
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