Pyriicositetrahemiicositetrachoron

The pyriicositetrahemiicositetrachoron is a nonconvex scaliform polychoron. It has 24 square pyramids and 12 central elongated bowtie tegums, with 5 square pyramids and 5 elongated bowtie tegums at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the icositetrachoron.