Homebrew PCBs

> crazy_geekchick wrote:
>
> I was wanting to make sure that everything
> lined up on both sides of a board -- easily.
> I thought a solution would be to make a
> registration hole punch. I know the pro ones
> have cameras looking down the bore of the
> hole punch, but I wasn't exactly sure where
> to begin making a diy version of that.
> 
> I was thinking a solenoid with some sort of
> hole puncher, but I wouldn't know where to
> get precise equipment for the puncher itself. 
> 
> Any ideas?

One I have seen actually had a loupe/lens with
a sight on it that looked down the bore.

When you lined it up, you pulled out the lens
and replaced it with a metal punch part.

Doesn't look like too hard an idea to make.