Hi.on the setup cnc section I set the home position at the top of the material block lower left hand corner. When I set the material up on the machine bed.i jog the cutting tool to the lower left hand corner of the materials top face and then set all the axis to zero.i use paper between the cutting tool face and the material surface to cap zero. Then I download the g code. On the run the tool just drills deep into the material and I need to end the run.if its not the machine code then it must be something I am doing wrong.michael