re:chamfering

Bill Marriott (btk@ix.netcom.com)
Sat, 4 Mar 1995 22:26:56 -0800

You wrote:

>
>Go to your local thrift store and buy a ceramic bowl that your glass
fits >about half way in. Throw in grit and water and grind the edge of the >glass on the tapered sides of the bowl. Makes a nice even chamfer a lot >faster than a stone. >

--
> Peter Hirtle   notpete@scn.org   Seattle, WA.
>

This is basically a giant version of the beveling cup used in the optics industry - works best if rotating, but in this case the mirror rotates.. and to be real technical, the radius of the bowl ( for a true 45 deg. chamfer) R = Dia.(of mirror) x .707

Bill Mariott btk@ix.netcom.com