Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

You really should start your own thread.

I have only done drilling so far but I am pretty sure milling works like drilling.
 
You first import your file from your favorite design software.   This will create a project item.  This item will have a Generate button for the CNC job.  Pressing that button creates the CNC job.   You generate the gcode from thge cnc job.