Retroinverted dishecatonicosachoron

The retroinverted dishecatonicosachoron, or ridhi, is a nonconvex uniform polychoron that consists of 120 dodecadodecahedra and 120 truncated great dodecahedra. Five dodecadodecahedra and ten truncated great dodecahedra meet at each vertex.

It has small stellated dodecahedra as pseudocells.

It is in the regiment of the rectified great hecatonicosachoron.