Mark Newbold's Java Stuff Java applets that show intersections , morphing , and stereoscopic renderings of four-dimensional polytopes and optical illusions. dogfeathers.com/java/
Regular 4d Polytope Foldouts Java applets to view the shapes by rotating them. www.weimholt.com/andrew/polytope.shtml
Uniform Polychora Some images , and the naming scheme with which the author has categorized over 8000 of these shapes. www.polytope.net/hedrondude/polychora.htm
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