Star polyhedron
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In geometry, a star polyhedron is a polyhedron which has some repetitive quality of nonconvexity giving it a star-like visual quality.
A Moravian star hung outside a church
In geometry, the complete, final stellation of the icosahedron, or echidnahedron is the outermost stellation of the icosahedron, and is "complete" and "final" because it includes all of the cells in t
Brückner's model
