Small ditrigonary dishecatonicosachoron

The small ditrigonary dishecatonicosachoron, or sidditdy, is a nonconvex uniform polychoron that consists of 120 small ditrigonary icosidodecahedra and 120 small ditrigonal dodecicosidodecahedra. 2 small ditrigonary icosidodecahedra and 6 small ditrigonal dodecicosidodecahedra join at each vertex.

It is in the same regiment as the rectified small ditrigonary hexacosihecatonicosachoron.