Small tetracosioctacontaswirlprismatic diacositetracontachoron

The small tetracosioctacontiswirlprismatic diacositetracontachoron, or sitspid, is a nonconvex scaliform polychoron that consists of 480 bowtie tegums and 240 pentagrammic prisms. Twenty-four bowtie tegums and twenty pentagrammic prisms join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the small stellated hecatonicosachoron.