Octagrammic crossed-antiprism
| Octagrammic crossed-antiprism | |
|---|---|
 | |
| Type | Uniform polyhedron |
| Faces | 2 {8/3} 16 {3} |
| Edges | 32 |
| Vertices | 16 |
| Vertex configuration | 8/5.3.3.3 |
| Wythoff symbol | |2 2 8/5 |
| Schläfli symbol | s{2,16/5} |
| Coxeter diagram |       |
| Symmetry group | D8d, [2+,16],(2*8), order 32 |
| Dual polyhedron | Octagrammic concave deltohedron |
| Properties | nonconvex |
| Vertex figure | |
 | |
In geometry, the octagrammic crossed-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.
See also
External links
Wikimedia Commons has media related to Antiprisms.
- Weisstein, Eric W. "Antiprism". MathWorld.
- Olshevsky, George. "Antiprism". Glossary for Hyperspace. Archived from the original on 4 February 2007.
- Paper models of prisms and antiprisms
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