paulfoerster, 
Build your own #Enigma #Encryption machine using paper. Yes, paper! 🤔 It's compatible with models I, M1, M2 and M3. It even simulates the plug board. 👍
All you need is a printer, scissors, some clear sticky tape and a crispy tube. Have fun. 🤣
https://makezine.com/article/education/how-to-papercraft-enigma-machine/
http://wiki.franklinheath.co.uk/index.php/Enigma/Paper_Enigma
