Hi Ed,

> As a jeweler, I'd love to be able to create a 3D design in Zsurf on a
> rectangle, then be able to wrap it around a cylinder (ring) in MoI.

Actually ZSurf has some options such as using a cylinder for the base surface instead of only a flat plane, which sounds like it would do what you want here.

Check out this previous thread for an example:
http://moi3d.com/forum/index.php?webtag=MOI&msg=636.7

- Michael