Made by mf8, sold by Mefferts 2012.
(plastic, 3.4 inches between opposite faces, with storage bag 7.4" x 5.75")
Rotations through the center work like the standard Kilominx (where the puzzle stretches a bit); there is an additional layer on all faces that can rotate.
On opposite sides the colors are:white opposite gray
green opposite light green
blue opposite light blue
pink opposite purple
light yellow opposite yellow)