Polyhedra Assembled from 20 Parts

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separate halves
open by 2
radius
explode
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.

External Links

Rhombic Triacontahedron (Wolfram MathWorld)
Icosahedron (Wolfram MathWorld)
Spikey (Wolfram MathWorld)

Permanent Citation

Sándor Kabai, Szaniszló Bérczi
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​"Polyhedra Assembled from 20 Parts"​
​http://demonstrations.wolfram.com/PolyhedraAssembledFrom20Parts/​
​Wolfram Demonstrations Project​
​Published: September 7, 2007