This uniform polyhedron compound is a chiral symmetric arrangement of 4 triangular prisms, aligned with the axes of three-fold rotational symmetry of an octahedron.
Cartesian coordinates for the vertices of this compound are all the even permutations of
with an even number of minuses in the 'ñ' choices, together with all the odd permutations with an odd number of minuses in the 'ñ' choices.