Hi Brian,

> These are the times when one wishes the simple constructions
> of polyhedron options in the Carrara Vertex Room could be
> saved to bring into MoI!

If you want to mess around with polyhedra, you can save off of Rinus Roelofs' model files from that link that Eric posted:
http://www.rhino3d.nl/pythposter/pyth3dm-eng.html

Then when you want to bring one into your current project use File / Import to load it into your current file.

- Michael

EDIT: Looks like you figured that out already! :)