Re: [CAD_CAM_EDM_DRO] Lighted edge finder

wanliker@... wrote:

>
> The construction is a bit more difficult than that, somewhere there
> has to be insulation between the rod and the chuck,

If made as the commercial units, yes. A simple dowel pin, led, battery,
some wire and an alligator clip will do the same thing.
I suspect most folks on this list could put the econo version together
from the scrap box in a few minutes.

Jon