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sionnach commented on the word great stellated dodecahedron
It took me a while to figure out that the delete link shows up only after a fake first edit.
December 6, 2007
chained_bear commented on the word great stellated dodecahedron
Oops, might want to delete one of those comments, sionnach. Or maybe you just repeated it for emphasis...?
Not just a delightful Christmas tree ornament, but also a useful expostulation during times of holiday stress.
The great stellated dodecahedron is a Kepler-Poinsot polyhedron. It is one of four nonconvex regular polyhedra. It is composed of 12 pentagrammic faces, with three pentagrams meeting at each vertex.
It shares its vertex arrangement with the regualar dodecahedron.
Shaving the triangular pyramids off results in an icosahedron, though this is not recommended without adult supervision.
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