Cubitruncated cuboctahedron
Appearance
Cubitruncated cuboctahedron | |
---|---|
Type | Uniform star polyhedron |
Elements | F = 20, E = 72 V = 48 (χ = −4) |
Faces by sides | 8{6}+6{8}+6{8/3} |
Coxeter diagram | |
Wythoff symbol | 3 4 4/3 | |
Symmetry group | Oh, [4,3], *432 |
Index references | U16, C52, W79 |
Dual polyhedron | Tetradyakis hexahedron |
Vertex figure | 6.8.8/3 |
Bowers acronym | Cotco |
In geometry, the cubitruncated cuboctahedron or cuboctatruncated cuboctahedron is a nonconvex uniform polyhedron, indexed as U16. It has 20 faces, 72 edges, and 48 vertices.[1]
Convex hull
Its convex hull is a nonuniform truncated cuboctahedron.
Convex hull |
Cubitruncated cuboctahedron |
Orthogonal projection
Cartesian coordinates
Cartesian coordinates for the vertices of a cubitruncated cuboctahedron are all the permutations of
- (±(√2−1), ±1, ±(√2+1))
Related polyhedra
Tetradyakis hexahedron
Tetradyakis hexahedron | |
---|---|
Type | Star polyhedron |
Face | |
Elements | F = 48, E = 72 V = 20 (χ = −4) |
Symmetry group | Oh, [4,3], *432 |
Index references | DU16 |
dual polyhedron | Cubitruncated cuboctahedron |
The tetradyakis hexahedron (or great disdyakis dodecahedron) is a nonconvex isohedral polyhedron. It has 48 intersecting scalene triangle faces, 72 edges, and 20 vertices.
It is the dual of the uniform cubitruncated cuboctahedron.
See also
References
- ^ Maeder, Roman. "16: cubitruncated cuboctahedron". MathConsult.
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- Wenninger, Magnus (1983), Dual Models, Cambridge University Press, ISBN 978-0-521-54325-5, MR 0730208 p. 92
External links
- Weisstein, Eric W. "Cubitruncated cuboctahedron". MathWorld.
- Weisstein, Eric W. "Tetradyakis hexahedron". MathWorld.
- http://gratrix.net Uniform polyhedra and duals