Generic PETG profile, 0.2LH, 0.6N and set bridge fan speed to 100% (good cooling for arcs recommended). Also note that the script, by default, prints them quite slowly.
Run PRUSA SLICER Gcode through this script (not mine): https://github.com/nicolai-wachenschwan/arc-overhang-prusaslicer-integration
The author marked this model as their own original creation.