Laser Cut Decoder

Laser Cut Decoder

thingiverse

I am a teacher who had a lesson about the Zimmerman Telegram, a coded message from Germany to Mexico during WWI. I designed and laser cut this simple substitution decoder for my students to use to break the code and discover what the telegram was about. I used 1/8" plywood. To make this you need to cut: • one front with the words engraved • one back (I removed the engraving with my name) • one gear piece and middle spacer I used superglue to assemble the housing. I carefully aligned the front panel and spacer pieces and super glued them. I then aligned the gears how I wanted them using the screws to hold them in place. Finally, I carefully glued on the back being sure not to glue the gears in place. Secure the screws with nylon lock nuts. I used 1/8" plywood so M5x16 screws and nylon lock nuts for the gear axles worked great for me. If I were remaking this, I might try wooden dowels or some fancy laser cut pegs.

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