Triangular tetrambitriate

The triangular tetrambitriate is a convex isochoric polychoron and member of the tetrambitriate family with 18 wedges as cells. It is the first in an infinite family of isochoric triangular tegmatic swirlchora.

Each cell of this polychoron has rectangular pyramidal symmetry, with 1 square, 2 isosceles trapezoids, and 2 isosceles triangles for faces.