我是搞木工的：這種有很多種方法，可以用IJK編程，
我用XYR變的;
O0022
G90 G49 Z0
N10 G40 G80
N20 G28 Z0
G54
N30 M6 T01
N40 M3 S7000
N60 G43 H01 Z50.
N70 G0 Z30.
N80 X17. Y44.
N90 Z3.
N100 G1 Z-5. F1000
N110 G41 D11 X14. Y41. F4000
N120 G17 G3 X20. Y35. R6.
N130 G2 X32.992 Y12.503 R15.
N140 X7.008 R15.
N150 X20. Y35. R15.
N160 X23.306 Y34.631 R15.
N170 G3 X30.481 Y39.161 R6.
N180 G1 G40 X28.216 Y42.749
N190 G0 Z30.
N200 X17. Y49.
N210 Z3.
N220 G1 Z-35. F1000
N230 G41 D11 X14. Y46. F4000 S7000
N240 G17 G3 X20. Y40. R6.
N250 G2 X37.323 Y10.004 R20.
N260 X2.677 R20.
N270 X20. Y40. R20.
N280 X23.461 Y39.698 R20.
N290 G3 X30.408 Y44.57 R6.
N300 G1 G40 X27.973 Y48.043
N310 G0 Z30.
N320 M5
N330 M7
N340 G91 G28 Y0 Z0
N350 G28 Y0
N360 M30
註意用G41G42補正時要進出刀！