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The Platonic Solids,The five perfect regular polyhedra each is composed of the same regular polygons and each has the same number of faces meeting at each point. They are the icosahedron ,the dodecahedron, the cube, the octahedron and the tetrahedron.

The Catalan Solidsare a transformation of the Archimedians . Each point in the Archimedian is represented by a face which has an edge for each of the faces around the original point.

Bob Allonson