Elevate and support one edge of sheet with free hand allowing entry point for cut enough clearance for metal cutting sheer to proceed.
Cutting copper sheet with a torch.
Once the copper sheet has been marked where it needs to be cut the sheers blades are positioned on each side of the sheet as would be regular scissors when cutting paper.
Begin cut with metal cutting sheer.
The sheers handles are brought together to cut through the sheet.
Cutting slower will also give you plenty of opportunity to blow away the bits and pieces of copper and dust caused by the cutting process.
Work gloves must be worn during the cutting process as the cutting edge of the copper is very sharp.
For higher gauges meaning thinner copper you can easily do it with standard hardware store metal snips.
While you can still cut the copper material with the plasma cutter you should not force it and cut too fast.
For thicker copper sheet you would want to use a jewelry saw it s a bit slower but gives you a nicer finished cutting edge.
Cutting your own copper shapes can be easier than you think.
Take your time and let the cutter work its way through the copper for a straighter and even cut.