cab-lock.ngc

%
(end mill .25)
G64 P0.001
S27000 M3
G0 X.25 Y-.60 Z.25

(Knob Hole)
(old)
(0.75 diameter minus 1/2 for radius 0.375)
(minus 1/2 end mill diameter = .125)
(.375 - .125 = .25 for new radius)
(new)
(0.65 diameter minus 1/2 for radius 0.325)
(minus 1/2 end mill diameter = .125)
(.325 - .125 = .2 for new radius)

G01 X.25 Y-.60 Z-.280 F25 
G2 I.2
G01 X.25 Y-.60 Z.25 F25 

(Lock Hole)
(1/4 diameter, just use end mill)
G01 X1.2 Y-.60 Z.25 F25 
G1 Z-.280 F25
G01 X1.2 Y-.60 Z.25 F25 

(Main Shape)
G01 X.5 Y.0 Z.25 F25 
G01 Y.0 Z-.280  
    X1
G02 X1 Y-1.2 I0 J-.60
G01 X.5 
G02 X.5 Y.0 I0 J.60

G0 X.5 Y.0 Z.25
(Stop Spindle)
M5
M02
%