This could be a cool non-astronomy use for celestia; a polyhedron system, for education purposes, maybe...
Sphere at center, orbited by cube, cylindar, pyramid, torus, prism, icosohedron, etc. It could be cool to script flying up to a cube's side, looking like a 2D square till it rotates -- you get the idea... I'm thinking they would be extra big and close to each other so you could see one while orbiting another. I suppose they could have alternate surfaces with their names printed on them & other info.
-Rich