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O50020 (AUTO SURFACE BLK)
T1 M06 G43 H01
G90 G54
G00 Z5.
G00 X-0.5 Y-0.5 Z1.
G04 P3.
S1700 M03

#1= 3.25 (INPUT X DIM)
#2= 5.25 (INPUT Y DIM)
#3= 0.15 (INPUT Z DEPTH)
#4= 0.3 (INPUT RADIAL DEPTH)

G00 Z – #3

#5= 1.0
#6= #4 * #5
WHILE [ #6 LT #2 ] DO1
G42 D01
G01 X-0.5 Y [ #4 * #5 ] F48. (CUTS IN RADIAL DEPTH)
G04 P1.
#5= #5 + 1.0
#6= #4 * #5 – #4
G90 G01 X [ #1 + 0.375 ]
G40 G00 Z1.
G90 G00 X-0.5
G90 G00 Z – #3
END1

G90 G00 Z1.
G91 G28 Z2.
M30
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