The real one is nothing at all like the ones I’ve seen for sale online. It’s a heavy, antique-like brass cylinder, for one thing. If you can figure out the trick of unlocking it, the Cryptex pops open ...

Most projects we feature are of the metal/wire/wood variety, but there is an entire community devoting to making very interesting and intricate things out of paper. Imgur user [Criand] has been hard ...