Spline Jig Woodworking Plans. Interview with FR founder, Raul Hernandez. Mitred corner joints, such as those on small boxes or picture frames present a poor surface for gluing; this is because you end up gluing end grain to end grain.
To use the jig, make a mark on the bottom of the corner receiving the spline to indicate the depth of the kerf. The spline jig has been a great addition to my tool box.it is a simple set and adds a very pleasing accent to my projects. They make woodworking efficient, accurate, and safe as well. A slight tilt of a saw blade gives your corner splines a whole new look. How to make a simple spline jig. If you don't have a dovetail jig and you don't want to learn to use one, or learn to hand cut them.