G54G17G40G49G80G90G69
G0X15.Y100.M3S3000;
Z1M8
G41Z0,F600:
G41X10D01
M98P0011 L40;
G91Z-1;
M98POO12 L1:
G90Y10
M99;
M30
子程序0012
G03XO,Y-10,R10.:
G1Y10,;
M99
第二種方法壹樣,不過用球刀,是G18平面