Grand ditetrahedronary hecatonicosihexacosihecatonicosachoron

The grand ditetrahedronary hecatonicosihexacosihecatonicosachoron, or gadathixhi, is a nonconvex uniform polychoron that consists of 120 great stellated dodecahedra, 600 tetrahedra, and 120 great dodecicosidodecahedra. Four great stellated dodecahedra, four tetrahedra, and twelve great dodecicosidodecahedra join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the grand ditetrahedronary hexacosidishecatonicosachoron.