Re: [CAD_CAM_EDM_DRO] edge lighting plexi

some of the panel chunks I've seen at Boeing surplus were
reverse engraved on the back side before they were painted
might be worth a try

Brian

> I've tried experiments with edge lighting Plexi, with poor results.
> I was trying to duplicate the back-lighted instrument panels in
> aircraft. What i know from poking around in them is that they take
> something that looks like standard Plexiglas and paint it translucent
> white, and then paint over that with black paint, masking it where they
> want the legend to show. but, i was never able to get the piece
> of plexi to light up anywhere near evenly. The light just went
> right through and out the other end. I might know a bit more about
> how to accomplish this now, as we make plexi light guides at work
> for nuclear detectors.
>
> Jon