Seven Polyhedra with Eightfold Dihedral Symmetry, Starting with the Octagonal Antiprism

Here’s an octagonal antiprism. Next, the dual of this antiprism: a trapezohedron. Its faces are sixteen kites. If you stellate this trapezohedron twice, you get a two-part compound. Now, the compound of the octagonal antiprism and its dual. The next … Continue reading →