Ditrigonary dishecatonicosachoron

The ditrigonary dishecatonicosachoron, or dittady, is a nonconvex uniform polychoron that consists of 120 regular icosahedra and 120 regular great icosahedra. 12 great icosahedra and 12 icosahedra join at each vertex, with a ditrigonary dodecadodecahedron as the vertex figure.

It has the same set of triangular faces as the small ditrigonary hexacosihecatonicosachoron.