This post has been moved to http://www2.ual.es/neotrie/csaszars-polyhedron/ where you can download a neot file to make yourself this famous toroidal polhyedron.
Virtual and manipulative geometrical and topological games
Juegos Topológicos del Mago Moebius, University of Almería
This post has been moved to http://www2.ual.es/neotrie/csaszars-polyhedron/ where you can download a neot file to make yourself this famous toroidal polhyedron.