Compound of four triangular prisms

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 '±' choices, together with all the odd permutations with an odd number of minuses in the '±' choices.