Extend Icosahedron Edges
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Extend the length of the edges of an icosahedron until they become the edges of a great stellated dodecahedron. Alternatively, you can reduce the distance between the edges to get the same result.
Contributed by: Sándor Kabai (February 2008)
Open content licensed under CC BY-NC-SA
"Extend Icosahedron Edges"
Wolfram Demonstrations Project
Published: February 5 2008