Grand retropental hecatonicosachoron

The grand retropental hecatonicosachoron, or graphi, is a nonconvex noble uniform polychoron that consists of 120 great rhombidodecahedra. Ten great rhombidodecahedra join at each vertex.

Vertex coordinates
The vertices are the same as those of the regiment colonel, the rectified great faceted hexacosichoron.