Hendecagonal duotruncatoalterprism

The hendecagonal duotruncatoalterprism is a convex isogonal polychoron and the ninth member of the duotruncatoalterprisms that consists of 22 hendecagonal prisms, 44 hendecagonal cupolas, 121 rectangular trapezoprisms and 121 tetragonal disphenoids obtained as the convex hull of two orthogonal hendecagonal-icosidigonal duoprisms. However, it cannot be made scaliform.