We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Precision ...

Picture frames and boxes require joining two boards to create a right angle. The cleanest way to do that is cutting 45 degree angles at the end of each board, called a miter cut. Here’s the formula to ...

During one of our never-ending technical discussions, Jim Grubbs at Jim Grubbs Motorsports (JGM) suggested that we take a look at the flow difference between 30- and 45-degree valve seats. While ...

Jigs make life so much easier, and when you build one yourself it's even better. Make perfect 45 degree mitered corners every time with this do-it-yourself jig made of plywood. You can build this jig ...