I’ve hit on a way to dial in miter gauges for tricky angles, such as for a seven-sided frame. Cut a piece of 3/4″ MDF a few inches longer and wider than your miter gauge. Then cut a centered dado the width of your miter-gauge bar. Attach blocks to the back for stability when you stand the MDF on end and add such options as a hold-down toggle. A 2″ block at the end of the dado helps support the miter gauge.
Attach the miter gauge to the jig, and stand the jig on end on your tablesaw. Turn on your digital angle finder (in my case, a Wixey), and zero it out on your tablesaw with its edge against the base of the jig. Loosen the scale on the miter gauge and place the angle finder on the face of the miter gauge (with or without an extension). Tilt the miter gauge until the angle finder reads the correct angle and tighten the gauge (as in the photo). Recheck your angle to make sure nothing shifted when it was being tightened. Now you’re ready to make some test cuts in MDF strips to confirm your settings.
17 Responses to “Wixey tricksy”