I forgot to mention that I also burned a 10mm by 10mm square but I had set 20mm by 20mm in the software.
I used the calibrate axis setting feature (enabled when the controller is connected) to correct this.
Heres a random screen shot I found of this feature
For the few paper stock (none toxic venting) templates I was making, I placed the CNC laser into the bathroom have a fire extinguisher too.
One can also make these templates with a paper printer.
Shovelled a thin layer of dirt at the end to make sure no plastic residue was left behind