(3D Mod) Smart Alex Puzzle

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3D Printed extensions connected to a 2x2 inner Core. 3D mod by Xi at 2025.About the Smart Alex Puzzle:The inventor of the "Smart Alex" puzzle is Alex Pop, a Romanian metalsmith who lived in Bothell. He created the puzzle while he was a political prisoner in Romania, working out the design in his head over a period of 16 months. The puzzle was patented by Dumitru A. Pop (presumably the same person as Alex Pop) on May 26, 1992: https://www.cs.brandeis.edu/~storer/JimPuzzles/ZPAGES/zzzSmartAlex.htmlSize: 8.2x8.2x4.5cmN.weight: 200gMaterial: ABS core & Pla+ extensionscondition: 100% brand new 3D Printed, we need to 1~2 weeks to ship your order out.Enjoy ! Show more