Not sure what you want.
I drew it as a line from 0,0 to o,8 with an arc to the x-.5
Then broke it into segments.
Then edit the code and replace X with Z.
G0 Z.1
G1 F10
N0170 Y0.2180 Z-0.0538
N0180 Y0.4367 Z-0.1045
N0190 Y0.6561 Z-0.1522
N0200 Y0.8761 Z-0.1969
N0210 Y1.0968 Z-0.2386
N0220 Y1.3180 Z-0.2771
N0230 Y1.5397 Z-0.3127
N0240 Y1.7618 Z-0.3451
N0250 Y1.9844 Z-0.3745
N0260 Y2.2074 Z-0.4008
N0270 Y2.4307 Z-0.4241
N0280 Y2.6544 Z-0.4442
N0290 Y2.8782 Z-0.4612
N0300 Y3.1023 Z-0.4752
N0310 Y3.3266 Z-0.4860
N0320 Y3.5510 Z-0.4938
N0330 Y3.7755 Z-0.4984
N0340 Y4.0000 Z-0.5000
N0350 Y4.2245 Z-0.4984
N0360 Y4.4490 Z-0.4938
N0370 Y4.6734 Z-0.4860
N0380 Y4.8977 Z-0.4752
N0390 Y5.1218 Z-0.4612
N0400 Y5.3456 Z-0.4442
N0410 Y5.5693 Z-0.4241
N0420 Y5.7926 Z-0.4008
N0430 Y6.0156 Z-0.3745
N0440 Y6.2382 Z-0.3451
N0450 Y6.4603 Z-0.3127
N0460 Y6.6820 Z-0.2771
N0470 Y6.9032 Z-0.2386
N0480 Y7.1239 Z-0.1969
N0490 Y7.3439 Z-0.1522
N0500 Y7.5633 Z-0.1045
N0510 Y7.7820 Z-0.0538
N0520 Y8.0000 Z0.0000
G0 Z1
X0 Y0
M30
My cheapie cad only draws in the x,y plane.
To generate the arc recess in progressive steps would require a CAM I suppose.
I don't have it.
Regards,
Russ