Snub bitetrahedral diacositetracontachoron

The snub bitetrahedral diacositetracontachoron or sobted is a convex isogonal polychoron that consists of 240 snub tetrahedra and 1440 phyllic disphenoids. 4 snub tetrahedra and 8 phyllic disphenoids join at each vertex. However, it cannot be made uniform.

Isogonal derivatives
Substitution by vertices of these following elements will produce these convex isogonal polychora:
 * Snub tetrahedron (240): Bitetrahedral diacositetracontachoron