# Dissection of a Cube into Three Bilunabirotundas, a Dodecahedron, and a Smaller Cube

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This Demonstration shows a dissection of a cube into three bilunabirotundas, a dodecahedron, and a smaller cube.

Contributed by: Izidor Hafner (April 2008)

Open content licensed under CC BY-NC-SA

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The existence of such a decomposition follows from [2] or from the Demonstration referenced in the Related Links and [1]. This dissection as well as the dissection of a dodecahedron into eight parts (if original) could be made into a commercial puzzle.
[1] V. G. Boltyanskii, *Tretja Problema Hilberta*, Moscow: Nauka, 1977. Translated by R. A. Silverman as *Hilbert's Third Problem* (New York: John Wiley & Sons, Inc., 1978).
[2] I. Hafner, "Decomposition of Three Bilunabirotundas and Dodecahedron to Rhombic Solids," *Visual Mathematics*, 9(2), 2007 article 6.