Here’s another video on how to cut a perfect mortise using a plunge router – this one’s from Fine Woodworking. The video shows you how to make a mortising jig that guarantees perfect mortises and can be used over and over. The jig is easy to build and works beautifully. To define the mortise’s start and stop points, a length of T-track has been set into the long beam that serves as the bearing surface for the router.
Router Advice And Tips, Routing Videos