Making with CNC USB Controller, Planet CNC

Open the .tab file by clicking on the folder icon on top of the screen
Move the plasma torch of the CNC machine to the point where you want your piece cut out by pressing the arrow keys (the piece will be up and right from that point; make sure there is enough surface for the whole part)
Press Offset – Current XY on the side of the screen
Lower the spindle on the Z axis until it touches the cutting surface
Press Offset – Current Z on the side of the screen
Move the spindle on the Z axis away from the surface (about 20 mm)
Press the Start icon on top of the screen (be ready to press esc if something goes wrong)
Make sure you are not too close to the operating machine and you wear protection glasses for your eyes