(Basic ARC_FEED test using english to test unit conv)
G20 G90
(Force exact path to ignore blend effects)
G61
(Arbitrary rotation of current csys)
G10 L2 P0 X-2 Y1 R60
F1000
G0 X0 Y0 Z0
G1 X1.5 Z.5
G18
G2 X.5 Z1.5 K1 (270 deg. arc CCW)
G3 X1.5 Z.5 R1
G0 X0 Y0 Z0
M2