Return
G90G0G54X-10.Y0M3S4500
G43Z50.H1M8
#1=0.5
WHILE[#1LE50.]DO1
#2=50.-#1
#3=SQRT[2500.-[#2*#2]]
G1Z-#1F20
X-#3F500
G2I#3
#1=#1+0.5
END1
G0Z50.M5
M30
