Lucky Seven is a puzzle ring, woven follow Bram Cohen's recipe
. This particular ring has a wire-style weave, i.e. using constant-diameter wires. The ring has 180-degrees rotation symmetry. This introduced an additional challenge in identifying the rings, as there are three identical twin rings that are not interchangeable in the puzzle solution.
Watch the YouTube video
Read at the Shapeways Forum
Read more at the Twisty Puzzles Forum
Please order a 3D-printed ring from Shapeways at this page. Contact Oskar
directly if you have any questions about this puzzle.