A Better New Way To Keep Your Mat Cutter Square

I have a faster and more accurate way to make sure my Logan Model 660 Framers Edge mat cutter is square that does not use a carpenter’s square. The procedure should be adaptable to other mat cutters also. I explain how in the article “Keeping Your Squaring Arm Square”, which is now on this website, but can’t yet be reached through the menu system. Enjoy!