R E K T A N G L E on Nostr: Still at it~! Making myself a vigenere disk. Gonna cut these up later and attach the ...

Still at it~! Making myself a vigenere disk. Gonna cut these up later and attach the smaller disk to the larger disk.

https://pages.mtu.edu/~shene/NSF-4/Tutorial/VIG/Vig-Devices.html

#cryptography