Great small dipentary trishecatonicosachoron

The great small dipentary trishecatonicosachoron, or gisdipthi, is a nonconvex uniform polychoron that consists of 120 great icosahedra, 120 great dodecahedra, and 120 great ditrigonal dodecicosidodecahedra. 1 great icosahedron, 1 great dodecahedron, and 5 great ditrigonal dodecicosidodecahedra join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the great dipentary trishecatonicosachoron.