Grand ditetrahedronary prismatocubihexacosichoron

The grand ditetrahedronary prismatocubihexacosichoron, or gadtapicax, is a nonconvex uniform polychoron that consists of 600 tetrahedra, 600 cubes, and 1200 triangular prisms. Four tetrahedra, eight cubes, and twelve triangular prisms join at each vertex.

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