PolyHedra (3D)
 
 
Polytopes (4D)
    16 Cell
    Hypercube
This page
This page gives links to pages about polyhedra and polytopes.    
Polytopes and Polyhedra
SlideShow
 
 
Exposition
 
Try these
www.ipsumlorem.com
www.rasnliber.com
www.roinmetusur.com
 
Cutaway 120 cell pulled apart by Jason Ku (’05). Done in Sketchpad.