Pentagram Gears was suggested by Michael Valle (of the Gearify software), when he saw my
Fractional Gears. The results is a 2.5x3 gearing ratio, where the pentagram gear would have "two-and-a-half-fold symmetry".
Watch the
YouTube video.
Read at the
Shapeways Forum.
Read more at the
Non-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.