Cryptex 300 Combinations!
thingiverse
This is a simple Cryptex with 300 combinations, made using just one ring. The combination is set by positioning key tabs on the little circular ring into one of three options for each of its five positions. With five rings and five choices per ring, it totals 300 combinations. However, there's room for improvement: more rings could mean words or phrases as combinations, and a uniform width for all rings would make it even better. This Cryptex is designed to be a toy for smart kids, not containing any acid-breaking glass. The storage cavity measures 50mm x 100mm. All parts are MakerBotable, but a MakerBot machine would come in handy for testing creations. It's an entry in the makezine.com/go/makerbot contest. If you manage to create this with a 3D printer, please share the build-file and machine details so others can use it too.
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