This is 1/6 scale Guillotine. I couldn’t find free directions online so I did my best job of reverse engineering and scaling a 1790’s French style. I made a version from wood but you could print it as well. I have the individual files if anyone is interested.
Video in Action: https://youtu.be/Z2WZFLuU8CU
More Info: https://www.instructables.com/id/Mini-Guillotine/