Hexagonal bifrustum
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| Hexagonal Bifrustum | |
|---|---|
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| 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 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.
It has been used for a decorative polyhedral monthly calendar, with one month on each trapezoid face. (regular and rhombic dodecahedra have also been used for calendar months.)
