Hexagonal bifrustum
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| Hexagonal Bifrustum | |
|---|---|
| Hexagonal bifrustum | |
| Type | Bifrustum |
| Faces | 12 trapezoids, 2 hexagons |
| Edges | 24 |
| Vertices | 18 |
| Symmetry group | D6h |
| Dual polyhedron | elongated hexagonal dipyramid |
| Properties | convex |
The hexagonal bifrustum or truncated hexagonal bipyramid is the fourth in an infinite series of bifrustum polyhedra. It has 12 trapezoid and 2 hexagonal faces. This polyhedron can be constructed by taking a hexagonal dipyramid and truncating the polar axis vertices, making it into two end-to-end frustums.
Several types of crystal take this shape.[1] It has also been used in the design of 14-sided dice, which may be used to generate randomly chosen playing cards.[2]
References
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- ↑ Set of five, fourteen sided poker dice, Patent US 8074986 B1, Douglas A. Gebhart, filed September 30, 2008.
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External links
- Conway Notation for Polyhedra Try: t6dP6