| Decagrammic prism | |
|---|---|
| Type | Uniform polyhedron |
| Faces | 2 Decagrams 10 squares |
| Edges | 30 |
| Vertices | 20 |
| Vertex configuration | 10/3.4.4 |
| Wythoff symbol | 2 10/3 | 2 |
| Symmetry group | D10h |
| Dual polyhedron | Decagrammic bipyramid |
| Properties | nonconvex |
| Vertex figure | |
In geometry, the decagrammic prism is one of an infinite set of nonconvex prisms formed by squares sides and two regular star polygon caps, in this case two decagrams.