Hi Shapeways fans, Number Planet is a twisty puzzle, like the Rubik's Cube, based on the Mathieu 12 (M12) group from group theory. Prof. Igor Kriz published the concept of this puzzle in Scientific American July 2008. Buy the puzzle: https://www.shapeways.com/model/39383/number_planet.html Watch the YouTube clip: https://www.youtube.com/watch?v=UvjXQ5QZA-s Read the Scientific American article: https://www.scientificamerican.com/article.cfm?id=puzzles-sim ple-groups-at-play Read the story about the development of this puzzle: https://oskarvandeventer.nl/M12/#NumberPlanet Check out the 3D PDF: https://oskarvandeventer.nl/M12/Number_Planet_v6.pdf Watch the photos below. Enjoy! Oskar
Wow, another amazing mechanical device! Also another amazingly expensive item! :laughing: I look forward to the day when objects cost 10 cents a CC, and I can afford to pick up a few copies of your work.