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Published on Jun 3, 2010
This short computer graphics animation presents the regular 120-cell: a four dimensional polytope composed of 120 dodecahedra and also known as the hyperdodecahedron or hecatonicosachoron. The figure is built up through a sequence of subsequent foldings: 5 segments form a pentagon, 12 pentagons form a dodecahedron and eventually 120 dodecahedra form the 3D shadow of a 120-cell. The animation is included in Mathfilm 2008 DVD. See also http://www.matematita.it and http://www.formulas.it. The animation has been generated with POV-Ray