先手工平端面，HNC21T數控系統，程序如下：
%0001
M03 S1000 T0101
G0 X36.0 Z1.0
G71 U1.0 R1.0 P10 Q20 X0.5 Z0.1 F0.2
N10 G0 X20.0
G1 Z0 F0.1
X24.0 W-2.0
Z-15.0
X28.0
Z-30.0
X32.0 Z-45.0
Z-60.0
N20 X36.0
G0 X80.0 Z80.0
M05
M09
M30