Septic Twist combines several ideas. Bram Cohen asked Oskar: "can you design a twisty puzzle with septagons?". Andreas Nortmann asked Oskar: "can you build a puzzle reusing this mechanism
by Wayne Johnson?". Oskar did both, resulting in this puzzle with four heptagonal centers and 23 edges. The puzzle is not too hard to solve, but it looks quite nice.
Watch the YouTube video
Read at the Shapeways Forum
Read more at the Twisty Puzzles Forum
Please contact Oskar
directly if you are interested in obtaining a fully colored, stickered and