Octagonal duotruncatoalterprism

The octagonal duotruncatoalterprism is a convex isogonal polychoron and the sixth member of the duotruncatoalterprisms that consists of 16 octagonal prisms, 32 octagonal cupolas, 64 rectangular trapezoprisms and 64 tetragonal disphenoids obtained as the convex hull of two orthogonal octagonal-hexadecagonal duoprisms. However, it cannot be made scaliform.