Quote:*
**Currently there are no accepted digital signatures in engineering. The Engineer must put pen to paper to legally sign the drawings.

*And that's the only right way to do it,  Cad-applications are in first instance designed to make paper drawings. The digital copy of that is only the tool which you use to make that drawings. All other things that you can do with CAD-programs, like 3D-modelling, rendering and animation are only byproducts. Nice byproducts but not very valuable for legal purposes.
But I think this is a little OT of the original discussion (Blame me, I posted the Autodesk story)

I'm glad to hear that DAZ and  E-frontier are on speaking terms. I hope they solve the starting problems of their new upgrades together.

-How can you improve things when you don't make mistakes?