|Faces||12 trapezoids, 2 hexagons|
|Dual polyhedron||elongated hexagonal dipyramid|
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. It has also been used in the design of 14-sided dice, which may be used to generate randomly chosen playing cards. It also has application in novelty promotional calendars: one month can appear on each of the trapezoids, and an advertising or other message on each of the hexagons.
- Conway Notation for Polyhedra Try: t6dP6
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