Great rhombihexacron
| Great rhombihexacron | |
|---|---|
| Type | Star polyhedron |
| Face | |
| Elements | F = 24, E = 48 V = 18 (χ = −6) |
| Symmetry group | Oh, [4,3], *432 |
| Index references | DU21 |
| dual polyhedron | Great rhombihexahedron |
In geometry, the great rhombihexacron (or great dipteral disdodecahedron) is a nonconvex isohedral polyhedron. It is the dual of the uniform great rhombihexahedron (U21). It has 24 identical bow-tie-shaped faces, 18 vertices, and 48 edges.
It has 12 outer vertices which have the same vertex arrangement as the cuboctahedron, and 6 inner vertices with the vertex arrangement of an octahedron.
As a surface geometry, it can be seen as visually similar to a Catalan solid, the disdyakis dodecahedron, with much taller rhombus-based pyramids joined to each face of a rhombic dodecahedron.