Great hecatonicosidishecatonicosachoron

The great hecatonicosidishecatonicosachoron, or ghidy, is a nonconvex uniform polychoron that consists of 120 truncated great icosahedra, 120 small dodecicosahedra, and 120 truncated great dodecahedra. 2 of each type of cell join at each vertex.

Vertex coordinates
The vertices are the same as those of the regiment colonel, the small sphenoverted trishecatonicosachoron.