GemCad and GemRay

 From:  bemfarmer
11130.1 
As of January 2023, GemCad and GemRay can be downloaded and used with the free registration keys.

http://www.gemcad.com/ ***"so long as this (his, Roger Strickland) site is active"***

http://www.gemcad.com/purchase.html

Could the file formats be translated to MoI 3DM?
I'll have a look when time becomes available...

- Brian

https://famousdiamonds.tripod.com/gemcadfiles.html

Then again, maybe the gem files and programs are obsolete or ???
https://www.gemsociety.org/article/designs-designing-gemcad/

EDITED: 19 Jun 2023 by BEMFARMER