OoO Ring - Interlocking Metal

OoO Ring is a three-band puzzle ring that should not be too difficult to solve. It is topologically different from regular puzzle rings. Whereas conventional puzzle rings have each ring locked though one or more other rings, OoO Ring has one ring that is topologically disconnected. As shown on the YouTube video, that ring can be pulled off with some force for the plastic prototype. However, the polished brass is strong, and the disconnected ring stays firmly shapelocked to the other two rings.

The puzzle has a nice difficulty level. Experts can solve it within a minute or even faster. The ring will still baffle novices, but they will figure out the solution as well if they have a bit of patience and persistence.

Whereas the first prototype was a failure, this version works fine. The first version had the disconnected ring at the side. However, the Borromean-rings style of weave prevented the rings from coming apart. So the new version has the disconnected ring in the middle, which solved the problem.

Watch the YouTube video of the successful prototype in bronze
Watch the YouTube video of the extremely expensive silver version.
Watch the YouTube video of an earlier failed prototype.
Read at the Shapeways Forum.
Read more at the Non-Twisty Puzzles Forum.
See how the puzzle is solved at Imgur.

Please order the 3D-printed puzzle ring from Shapeways at this page, or contact Oskar directly if you have any special requests about ring size or material.