| Tridiminished icosahedron | |
|---|---|
| Type | Johnson J62 - J63 - J64 |
| Faces | 2+3 triangles 3 pentagons |
| Edges | 15 |
| Vertices | 9 |
| Vertex configuration | 2x3(3.52) 3(33.5) |
| Symmetry group | C3v |
| Dual polyhedron | - |
| Properties | convex |
| Net | |
In geometry, the tridiminished icosahedron is one of the Johnson solids (J63).
The 92 Johnson solids were named and described by Norman Johnson in 1966.
The tridiminished icosahedron is the vertex figure of the snub 24-cell, a uniform polychoron (4-dimensional polytope).