Rectified small prismatodecachoron

The rectified small prismatodecachoron or respid is a convex isogonal polychoron that consists of 10 octahedra, 20 rectified triangular prisms and 20 triangular antiprisms formed by rectifying the small prismatodecachoron.

The ratio between the longest and shortest edges is 1:$$\sqrt2$$ ≈ 1:1.41421.