On Tue, 29 Dec, David Sutton wrote:
>Here's the question: Any good suggestions for testing the
>accuracy of the 45 degree angle on the backstop I've yet to
>attatch? I know you can check the accuracy of a 90 by flipping
>your square over, but how do I find a true 45?

Two 45 degree angles, when flipped and butted, produce a
straight line.

Brent

Brent Beach, Victoria, BC, CA