Superquadrics
Operating System(s): Windows 95, Windows 98, Windows 2000, Windows XP, Windows Vista, Windows 7, Windows 8
License: This is licensed for commercial or non-commercial use.
Product Notes
A small full working stand alone Windows app for creating meshes based on the "superquadrics" geometry.

Awesome, this is just what I needed to make a few primitives with rounded edges. Thanks!