DIY Tip of the Day: Clean Old Glue From Round Mortises. Saw the handle off a plumber’s copper pipe fitting brush, matching the diameter of the brush to the mortise. Spin the brush in the hole to deglaze the joint surface and freshen the wood fibers. Now the mortise will bond firmly with the tenon. Sand the tenon end thoroughly before applying new glue and clamping the joint.
Details about PLANS to build CNC 3 axis router table, milling machine, engraver. PDF download