G10 L20 P1 X0 Y0 Z0 // set wpos to zero G38.2 Z-26 F100 // probe, copper height 4.25mm G38.2 Z-26 F100;G91 G0 Z1 G38.2 Z-26 F100;G10 P0 L20 Z0;G91 G0 Z1 //probe and reset Z
$21=0 G38.2 Z-26 F100 G10 P0 L20 Z0
G91 X0 Y0; //probe G38.2 Z-26 F100;G10 P0 L20 Z0;G91 G0 Z1 //double probe G38.2 Z-26 F100;G91 G0 Z1;G38.2 Z-26 F10;G10 P0 L20 Z0;G91 G0 Z1 M03 S10000;G01 Z-1.1 F100;G01 X10;G01 Y-0.265;G01 X-10;G01 Z1;M5
$21=1