Octagrammic antiprism
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| Octagrammic antiprism | |
|---|---|
 | |
| Type | Uniform polyhedron |
| Faces | 2 {8/3} 16 {3} |
| Edges | 32 |
| Vertices | 16 |
| Vertex configuration | 8/3.3.3.3 |
| Wythoff symbol | |2 2 8/3 |
| Schläfli symbol | s{2,16/3} |
| Coxeter diagram |       |
| Symmetry group | D8d, [2+,16], (2*8), order 32 |
| Dual polyhedron | Octagrammic deltohedron |
| Properties | nonconvex |
| Vertex figure | |
 | |
In geometry, the octagrammic antiprism is one in an infinite set of nonconvex antiprisms formed by triangle sides and two regular star polygon caps, in this case two octagrams.
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