X-Minx was suggested by Nathan Wilson. The puzzle is a shape-mod of Adam Cowan's Circle Minx but with only three circles. Evgeniy Grigoriev's X-Cube is a Rubik's Cube with additional layers on some faces. Similarly, X-Minx is a Megaminx with additional layers on some faces.
Please order a 3D-printed do-it-yourself puzzle kit from Shapeways at this page (check with Oskar about screws and stickers), or contact Oskar directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.