Small ditrigonary dishecatonicosihexacosihecatonicosachoron

The small ditrigonary dishecatonicosihexacosihecatonicosachoron, or siddit dahixhi, is a nonconvex uniform polychoron that consists of 120 great icosidodecahedra, 600 octahedra, 120 icosidodecadodecahedra, and 120 great icosicosidodecahedra. Three great icosidodecahedra, three octahedra, six icosidodecadodecahedra, and six great icosicosidodecahedra join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the rectified small ditrigonary hexacosihecatonicosachoron.