Acronym | ifbah, ike-6-2 |
Name |
2-fold faceted icosahedron ike-6-2, pentagonal butterfly wedge, blend of 2 pentagonal pyramids, half of blend of 2 pentagonal antiprisms |
Circumradius | sqrt[(5+sqrt(5))/8] = 0.951057 |
Vertex figures | [33,5], [3,5,3/2,5/4]/0, and [32,5] |
Lace city in approx. ASCII-art |
o o f x x |
Coordinates |
(τ/2, 1/2, 0) & even permutations, all changes of sign, but last coordinate non-negative where τ = (1+sqrt(5))/2 |
Dihedral angles
(at margins) |
|
Face vector | 8, 14, 8 |
Confer | |
External links |
This polyhedron either can be considered as a faceting of ike or else could be constructed as a blend from 2 copies of peppy, when taken coincident with a pair of triangles.
2 * * | 2 2 0 0 | 1 2 1 [3,3,3,5] * 2 * | 2 0 2 0 | 2 2 0 [3,5,3/2,5/4]/0 * * 4 | 0 1 1 1 | 1 1 1 [3,3,5] ------+---------+------ 1 1 0 | 4 * * * | 1 1 0 type A 1 0 1 | * 4 * * | 0 1 1 0 1 1 | * * 4 * | 1 1 0 type B 0 0 2 | * * * 2 | 1 0 1 type C ------+---------+------ 1 2 2 | 2 0 2 1 | 2 * * {5} 1 1 1 | 1 1 1 0 | * 4 * 1 0 2 | 0 2 0 1 | * * 2
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