Octagonal bipyramid
From HandWiki
| Octagonal bipyramid | |
|---|---|
 | |
| Type | bipyramid |
| Faces | 16 triangles |
| Edges | 24 |
| Vertices | 10 |
| Schläfli symbol | { } + {8} |
| Coxeter diagram |      |
| Symmetry group | D8h, [8,2], (*228), order 32 |
| Rotation group | D8, [8,2]+, (228), order 16 |
| Dual polyhedron | octagonal prism |
| Face configuration | V4.4.8 |
| Properties | convex, face-transitive |
The octagonal bipyramid is one of the infinite set of bipyramids, dual to the infinite prisms. If an octagonal bipyramid is to be face-transitive, all faces must be isosceles triangles. 16-sided dice are often octagonal bipyramids.
Images
It can be drawn as a tiling on a sphere which also represents the fundamental domains of [4,2], *422 symmetry:
Related polyhedra
External links
- Weisstein, Eric W.. "Dipyramid". http://mathworld.wolfram.com/Dipyramid.html.
- Virtual Reality Polyhedra The Encyclopedia of Polyhedra
- VRML models <8>
- Conway Notation for Polyhedra Try: dP8
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