ok merci a tous sa marche super bien pour le moment voila mon premier code
(CONTOUR)
N10 M3 S1000 D3
N20 G0 X-24.785 Y0.0
N30 G0 Z1.0
N40 G1 F300.0 Z-0.4
N50 G1 F800.0 X-3.599 Y-5.174
N60 G2 X-3.006 Y-14.704 R-4.857
N70 G1 X-24.785 Y-23.0
N80 G1 X-69.785
N90 G1 Y0.0
N100 G1 X-24.785
N110 G0 Z100.0
(CHANFRIEN)
N130 M6
N140 M3 S1000 D4
N150 G0 X-24.785 Y0.0
N160 G0 Z-1.0
N170 G1 F300.0 Z-0.4
N180 G1 F800.0 X-3.599 Y-5.174
N190 G2 X-3.006 Y-14.704 R-4.857
N200 G1 X-24.785 Y-23.0
N210 G1 X-69.785
N220 G1 Y0.0
N230 G1 X-24.785
N240 G0 Z3.0
N250 M5
M2