Tower cipher
thingiverse
Mechanical 3D printable cipher device for education and hobby purposes only. It's based on the similar principle as most rotor cipers. The Tower cipher uses 5mm metalic (or glass) ball as a signal carrier to trace letters through pseudo-random pathways inside rotors. Whole project including tool for customization and Blender sources are on GitHub: https://github.com/assemblerbot/tower-cipher Usage video: https://youtu.be/TXNiqYJ8YBw Have fun!
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