Make perfect 45 degree mitered corners every time with this do-it-yourself ... All you need is some plywood, a 2x4, wood screws, and glue. A table saw and framing square are of course also required.

Learn the best techniques for achieving smooth, professional-looking 45 or 135-degree drywall corners with minimal effort. #DIYDrywall #SpacklingTips #HomeImprovement Family DIY TV ...