Inches or Arcs for output?

[rb99]

Does Shopbot run better when toolpaths are output using arcs?

Will my old PR running on 238 control software be better with arcs?

Thanks,

RB

[magic]

There should be an inch/arc option in the post processor that helps make round cuts (as opposed to the non-arc selection

[cutitout]

I have found issues with Arc if I scale/flip the program.

[magic]

What are the issues?