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In geometry, the decagrammic prism is one of an infinite set of nonconvex prisms formed by squares sides and two regular star polygon caps, in this case two decagrams.
| Decagrammic prism | |
|---|---|
 | |
| Type | Uniform polyhedron |
| Faces | 2 Decagrams 10 squares |
| Edges | 30 |
| Vertices | 20 |
| Vertex configuration | 10/3.4.4 |
| Wythoff symbol | 2 10/3 | 2 |
| Symmetry group | D10h, [2,10],(*2.10.10), order 40 |
| Dual polyhedron | Decagrammic bipyramid |
| Properties | nonconvex |
| Vertex figure | |
 | |
It has 12 faces (10 squares and 2 decagrams), 30 edges, and 20 vertices.
 | This polyhedron-related article is a stub. You can help Wikipedia by expanding it. |
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