The Platonic Solids - Tetrahedron, Octahedron, Cube, Dodecahedron and Icosahedron


More links for Polyhedrons:
http://mathworld.wolfram.com/topics/Polyhedra.html
http://www.korthalsaltes.com/cuadros.php?type=p
http://bulatov.org/polyhedra/index.html
http://faculty.smcm.edu/sgoldstine/origami/displaytext.html


Photo: http://www.upc.edu/ea-smi/personal/claudi/web3d/english/poli_reg.htm