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Chained Square has 16 squares that are connected with ball chain. This gives it great flexibility, as observed by Peter Knoppers. The goal is to fold a 4×4 square. The puzzle has several other challenges as well. The puzzle is difficult because of the tetrahedral topology of the weave pattern, and the lack of „simple conventional” solutions. Designer: Oskar van Deventer Material: 3D printed PLAWatch how I solved the Chained Square puzzle – https://www.youtube.com/watch?v=tC_elP9l1RM Colors may vary.

