Compound of five tetrahemihexahedra
A compound of five tetrahemihexahedra is a uniform polyhedron compound and a symmetric arrangement of five tetrahemihexahedra. It is chiral with icosahedral symmetry (I).
| Compound of five tetrahemihexahedra | |
|---|---|
|  | |
| Type | Uniform compound | 
| Index | UC18 | 
| Polyhedra | 5 tetrahemihexahedra | 
| Faces | 20 triangles, 15 squares | 
| Edges | 60 | 
| Vertices | 30 | 
| Symmetry group | chiral icosahedral (I) | 
| Subgroup restricting to one constituent | chiral tetrahedral (T) | 
Related polyhedra
    

Five tetrahemihexahedra in an icosidodecahedron
Its convex hull is an icosidodecahedron. Hence it is a faceting of an icosidodecahedron, shown at left. It shares its edges and triangular faces with the compound of five octahedra.
|  Icosidodecahedron |  Compound of five octahedra |  Compound of five tetrahemihexahedra | 
References
    
- Skilling, John (1976), "Uniform Compounds of Uniform Polyhedra", Mathematical Proceedings of the Cambridge Philosophical Society, 79: 447–457, doi:10.1017/S0305004100052440, MR 0397554.
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