Small cubiprismatotesseractihexadecaoctachoron

The small cubiprismatotesseractihexadecaoctachoron or scaptho is a scaliform polychoron that consists of 16 tetrahedra, 32 triangular prisms, 8+8 cubes, and 8 blends of 2 octagonal prisms. 1 tetrahedron, 3 triangular prisms, 2 cubes, and 3 blends of 2 octagonal prisms meet at each vertex.

It can be formed as a blend of a small spinoprismatotesseractihexadecachoron and an octagonal diorthoprism.