Workholding is generally not a problem on a big CNC plasma cutter.; gravity does a pretty good job of keeping heavy sheet steel in place on the bed. But what if your CNC table isn’t a table? The answer: magnets — lots of magnets.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/04/12/electromagnets-make-vertical-cnc-cutter-a-little-stickier/