Re: clever edge detector

Seems to me that detecting edges (and hole centres) is a very useful
thing to do for setting up parts to be machined and a tube which is
what the whole thing consists of really is quite easy to machine. I
would also add a small magnet so I didn't loose my ball.

> The function of this device is for edge finding, not as a digitizing
> probe. It would only be used in a sideways movement. Which is why,
> to me, it is a Rube Goldberg device.