Cross Rings
Size 8, 18.54 mm inner diameter. This puzzle ring is a design by Bram Cohen. Bram writes: "It has basically a a single trick, but that trick is so cute and understandable that I think it's a compelling puzzle."
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Shapeways Forum
cm:
2.356 w x
1.746 d x
2.56 h
in:
0.928 w x
0.687 d x
1.008 h
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