Polyhedra Assembled from 20 Parts

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This Demonstration shows how 20 congruent parts can be used to assemble a solid model of a rhombic triacontahedron and other polyhedra with icosahedral symmetry, including the Mathematica polyhedron, the Spikey.

Contributed by: Sándor Kabai and Szaniszló Bérczi (September 2007)
Open content licensed under CC BY-NC-SA




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