Octagrammic prism
In geometry, the octagrammic prism is one of an infinite set of nonconvex prisms formed by square sides and two regular star polygon caps, in this case two octagrams.
| Octagrammic prism | |
|---|---|
 | |
| Type | Uniform polyhedron |
| Faces | 2 octagrams 8 squares |
| Edges | 24 |
| Vertices | 16 |
| Vertex configuration | 8/3.4.4 |
| Wythoff symbol | 2 8/3 | 2 |
| Schläfli symbol | s{2,16/3} sr{2,8/3} |
| Coxeter diagram |        |
| Symmetry group | D8h |
| Dual polyhedron | octagrammic bipyramid |
| Properties | nonconvex |
| Vertex figure | |
 | |
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