%
(helix.txt)
N1 G28 Z0
N2 T9 M06 (0.25 .250 END MILL) 
N3 G54 G17 G00 G90  X0.5 Y0.0 
N4 G43 Z0.1 H09 S3500 M03
N5 G00
N6 G01 Z0.0 F3.5
N7 G02 X0.5 Y0.0 Z-0.0769 I-0.5 J0.0 F7.0
N8 X0.5 Y0.0 Z-0.1538 I-0.5 J0.0
N9 X0.5 Y0.0 Z-0.2308 I-0.5 J0.0
N10 X0.5 Y0.0 Z-0.3077 I-0.5 J0.0
N11 X0.5 Y0.0 Z-0.3846 I-0.5 J0.0
N12 X0.5 Y0.0 Z-0.4615 I-0.5 J0.0
N13 X0.5 Y0.0 Z-0.5385 I-0.5 J0.0
N14 X0.5 Y0.0 Z-0.6154 I-0.5 J0.0
N15 X0.5 Y0.0 Z-0.6923 I-0.5 J0.0
N16 X0.5 Y0.0 Z-0.7692 I-0.5 J0.0
N17 X0.5 Y0.0 Z-0.8462 I-0.5 J0.0
N18 G00 Z-0.8462
N19 M05
N20 G28 Z0
N21 G28 Y0
N22 M30
%