I haven't really made it to milling circuit boards quite yet with my project but found this when I started getting closer.
http://www.ofitselfso.com/LineGrinder/LineGrinder.php --- In Homebrew_PCBs@yahoogroups.com, "RL" <rlrc2003@...> wrote:
>
> I am trying to convert my Eagle Board file to a Gcode to
> drill holes with my CNC mach. but I have been unable to
> contact anyone from PCBGCODE.com to get the latest version.
> Does it still exist or did they close up? In the mean time are there
> any suggestions of other inexpensive softwares I may use to do this?
> Thanks,
> RL
>