Homebrew PCBs

On Sun, 16 Apr 2006 23:21:31 +0200, Alan Marconett <KM6VV@...> wrote:

> Hi LCD,
>
>
> Use a center point for the edge.  I wonder if that might be a good
>
> solution for mechanical etching (isolation milling).
>
>
> I normally use the LL corner for the origin; and then when the stock is
>
> turned over, the origin is now over on the lower right corner.  Not the
>
> best way to to work a second origin.  One either has to work from two
>
> origins, or subtract the exact width of the board.
>
>
> An alignment pin or pins would simplify some of that.  I'm thinking of
>
> making a fixture, but I don't want to make a special fixture for each
>
> size of board.
>
>
> Alan  KM6VV


re-read what you replied to and you'll see the problem is solved easily,  
precisely, with no pins or special fixtures.

ST