This is a cubic transformation of a pyraminx crystal. 57 millimetres to an edge. This puzzle requires 12 M3 x15 screws. Stickers are available at http://oliverstickers.com/stickers-for-shapeways-puzzles/callum-moseley/callum-s-hexaminx-crystal.html
Note: This model is no longer available in dyed materials, because the hollow pieces have a problem with the dye.
8.9 w x
8.9 d x
3.504 w x
3.504 d x