Twisty Ring is a quasi-doctrinaire puzzle. Its centers corrspond to the vertices of the
heptagonal antiprism.
Watch the
YouTube video.
Read at the
Shapeways Forum.
Read more at the
Twisty Puzzles Forum.
Please order a 3D-printed do-it-yourself puzzle kit from Shapeways at this page (check with Oskar about screws and stickers), or
contact Oskar directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.