With the snap grid on I click twice in the center of the pad. It is
recorded as a location. During milling you get a starting diviot. The
diviot is tiny. Smaller than your drill bits.
--- In Homebrew_PCBs@yahoogroups.com, Dave VanHorn <dvanhorn@d...> wrote:
>
> At 09:16 PM 11/17/2004, crankorgan wrote:
>
>
>
> > I mill my circuit boards. After making my outline artwork I go back
> >and put a dot in the center of each pad. During milling the dot
> >becomes a starter hole.
>
> What size hole do you use for this?
>
> I had some prototyping boards once, that did this. 100 mil grid of
pads,
> each pad had a tiny hole in the center for drilling, IF you wanted
to. The
> source is long gone, and I'd like to make some new ones.