> I have access to some CNC equipment (Taig with a
> www.CNCOnABudget.com's 30krpm spindle). Lining up the PCB to be
> square w/ the axis is difficult. Does anyone drill the PCB before
> they expose it, or before they do the tonor transfer step? I'm
> wondering how this might work.
If you put an X or + in each of the corners, say, where you will have
mounting holes or something, you can line one up for your 0/0 mark
and then verify that your board is to scale by going to the other
corners.
it is MUCH easier to drill after.
Dave