Oskar had his head 3D scanned. The eight pieces should be glued around a 2x2x2 Rubik's Cube with 24 mm edges (12 cm cubies). You may buy the inner cube from several sources, e.g. the Twisty Puzzles Shop.
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Shapeways Forum Read more at the
Twisty Puzzles Forum Please contact Oskar directly if you are interested in obtaining a fully dyed and assembled sample of this puzzle.