The polyhedron compound of the truncated cube and its dual, the small triakis octahedron. The compound can be constructed from a truncated cube of unit edge length by midpoint augmentation with heights
(1)
 
(2)

The polyhedron compound of the truncated cube and its dual, the small triakis octahedron. The compound can be constructed from a truncated cube of unit edge length by midpoint augmentation with heights
(1)
 
(2)

Weisstein, Eric W. "Truncated CubeSmall Triakis Octahedron Compound." From MathWorldA Wolfram Web Resource. https://mathworld.wolfram.com/TruncatedCubeSmallTriakisOctahedronCompound.html