Coincidentally, I have been watching this YT channel about machining metal where the presenter is attempting to build the same mechanism while staying true to i

Coincidentally, I have been watching this YT channel about machining metal where the presenter is attempting to build the same mechanism while staying true to its design: https://www.youtube.com/playlist?list=PLZioPDnFPNsHnyxfygxA0to4RXv4_jDU2 https://www.youtube.com/playlist?list=PLZioPDnFPNsHnyxfygxA0...