Heptagrammic antiprism (7/3)
In geometry, the {7⁄3} heptagrammic antiprism is one in an infinite set of nonconvex antiprisms formed by triangle sides and two regular star polygon caps, in this case two {7⁄3} heptagrams.
| Heptagrammic antiprism | |
|---|---|
 | |
| Type | Uniform polyhedron |
| Faces | 2 Heptagrams 14 triangles |
| Edges | 28 |
| Vertices | 14 |
| Vertex configuration | 7⁄3.3.3.3 |
| Wythoff symbol | 2 2 7/3 |
| Schläfli symbol | s{2,14/3} sr{2,7/3} |
| Coxeter diagram |        |
| Symmetry group | D7d |
| Dual polyhedron | Heptagrammic deltohedron |
| Properties | nonconvex |
| Vertex figure | |
 | |
3D model of a (uniform) {7⁄3} heptagrammic antiprism
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.