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."

Watch the YouTube video
Read at the Shapeways Forum


Dimensions

IN: 0.928 w x 0.687 d x 1.008 h
CM: 2.356 w x 1.746 d x 2.56 h

Comments

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Hello, Oskar! Amazing! But, what is the color will be(red, or clear)? Thank You .
December 5, 2013, 3:03 pm
See YouTube clip at http://www.youtube.com/watch?v=U3G3Z3wyHms More info at Shapeways Forum http://www.shapeways.com/forum/index.php?t=msg&th=1109&start=0&S=d5011dbedb9705a809887e6a3677f35a Oskar
July 12, 2009, 6:57 pm
 
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