I am looking for a guide of common errors and their causes so I can educated myself without taking up a ton of time on here. I have attached my current issue just to give you an idea of what I am dealing with. This is 1/4" plate mild cut at 65 amps at around 100 ipm if memory serves. Also, this is the back side of the cut. I think my issue was that I tend to use sharp corners where I should have used rounded corners here.