Mark the required dimensions on the surface of the sheet using marking tool and straightedge.
Cutting copper sheet with a torch.
Cutting your own copper shapes can be easier than you think.
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.
For higher gauges meaning thinner copper you can easily do it with standard hardware store metal snips.
Take your time and let the cutter work its way through the copper for a straighter and even cut.
Measure the dimensions needed with tape measure.
While you can still cut the copper material with the plasma cutter you should not force it and cut too fast.
The sheers handles are brought together to cut through the sheet.
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.
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.
Begin cut with metal cutting sheer.