Triangular duoprism

The 3-3 duoprism is a noble uniform duoprism that consists of 6 tetragonal disphenoids and 9 vertices. It is the simplest possible duoprism and is also the 6-2 gyrochoron. The 3-3 duoprism, along with its dual, is the first in a series of triangular dihedral swirlchora.