A clean 3D printed version of Bill Cutler’s celebrated CCC-1 puzzle, first introduced at the International Party Puzzle (IPP35) in 2015. Six identical lightning bolt-shaped pieces and a simple square frame look simple at first glance – but finding the perfect arrangement will test your spatial skills and patience.

Print it out, shuffle the pieces, and enjoy a timeless wrapping challenge designed by one of the masters of mechanical puzzles.

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