Tesseractihexadecaquasitruncated tesseractihexadecachoron

The tesseractihexadecaquasitruncated tesseractihexadecachoron, or thaquitoth, is a nonconvex uniform polychoron that consists of 16 truncated tetrahedra, 8 quasitruncated hexahedra, and 8 cuboctatruncated cuboctahedra. 1 truncated tetrahedron, 1 quasitruncated hexahedron, and 2 cuboctatruncated cuboctahedra join at each vertex.

Vertex coordinates
The vertices of a tesseractihexadecaquasitruncated tesseractihexadecachoron of edge length 1 are given by all permutations of:
 * $$\left(±\frac{1+\sqrt2}{2},\,±\frac{\sqrt2-1}{2},\,±\frac{\sqrt2-1}{2},\,±\frac12\right).$$