A Polyhedron topologically equivalent to a Torus discovered in the late 1940s. It has 7 Vertices, 14 faces, and 21 Edges, and is the Dual Polyhedron of the Szilassi Polyhedron. Its Skeleton is Isomorphic to the Complete Graph .

**References**

Császár, Á. ``A Polyhedron without Diagonals.'' *Acta Sci. Math.* **13**, 140-142, 1949-1950.

Gardner, M. ``The Császár Polyhedron.'' Ch. 11 in *Time Travel and Other Mathematical Bewilderments.*
New York: W. H. Freeman, 1988.

Gardner, M. *Fractal Music, Hypercards, and More: Mathematical Recreations from Scientific American Magazine.*
New York: W. H. Freeman, pp. 118-120, 1992.

Hart, G. ``Toroidal Polyhedra.'' http://www.li.net/~george/virtual-polyhedra/toroidal.html.

© 1996-9

1999-05-25