Penta

Penta is based on an idea by David Tzur (previously known as Alex Polonsky). The object is to place the 12 pentominoes in the rectangle. However, the bumps limit the way how this can be done. This turns the puzzle into an interesting pentomino challenge.

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.