Great rhombic disoctachoron

The great rhombic disoctachoron, or girdo, is a nonconvex uniform polychoron that consists of 8 quasitruncated hexahedra, 8 great rhombihexahedra, and 32 triangular prisms. Two quasitruncated hexahedra, two great rhombihexahedra, and two triangular prisms join at each vertex.

Vertex coordinates
The vertices are the same as those of the regiment colonel, the sphenoverted tesseractitesseractihexadecachoron.