Heptagrammic prism (7/2)
In geometry, the {7/2} heptagrammic prism is one of an infinite set of nonconvex prisms formed by square sides and two regular star polygon caps, in this case two {7/2} heptagrams.
An alternative representation with hollow heptagram centers
| Heptagrammic prism | |
|---|---|
 | |
| Type | Uniform polyhedron |
| Faces | 2 heptagrams 7 squares |
| Edges | 21 |
| Vertices | 14 |
| Vertex configuration | 7/2.4.4 |
| Wythoff symbol | 2 7/2 | 2 |
| Symmetry group | D7h |
| Dual polyhedron | Heptagrammic bipyramid |
| Properties | nonconvex |
| Vertex figure | |
 | |
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