Making Copper Chain (Heavily inspired by Pocket83)

A while back, pocket83 uploaded a video about making copper chain: https://www.youtube.com/watch?v=byM292kKPhw

I have the tools to make the jig he made, however my attempt looked incredibly bad and was barely functional. No guarantee that this part will work unless you come up with a solution to cool it down (cutting the copper with a hacksaw / dremel tool generates a lot of heat) My recommendation to prevent your part from melting would be spilling water on it via a pump, or a gravity fed me