This is a school project. Make sure your volume is up!
Rhombicuboctahedron pic: http://paulscottinfo.ipage.com/polyhedra/semiregular/rhombicuboctahedron/rhombicuboctahedron.gif Upside down square frustum pic: http://etc.usf.edu/clipart/42800/42830/frust-quad19_42830_mth.gif