This is my first post on twistypuzzles.com. I came here following Oskar van Deventer's posts on the shapeways.com forums. I mostly make 3D printed mathematical sculptures, but some of my recent projects have veered into burr-type puzzle territory, so hopefully this will be of interest.
"The 30-Cell Puzzle" is (as far as we know) a new puzzle, designed/discovered by Saul Schleimer and myself. It is based on the 120-cell, one of the 4-dimensional regular polytopes, the analogues of the 3-dimensional regular polyhedra (the cube, tetrahedron, octahedron and so on). The goal is to assemble the 5 identical pieces shown in the first picture into the ring-like structure shown in the others. Each of the five pieces is made from six dodecahedral cells, giving the puzzle its name.Shapeways page for the puzzleYouTube video
File comment: The unsolved puzzle, and three views of the solved configuration.
30-cell_puzzlemontage_500.jpg [ 58.64 KiB | Viewed 1057 times ]