Large holes in drywall, whether caused by accident, as a result of plumbing repairs, or remodeling, can seem daunting; however, with a little know how, you'll never be able to tell what happened.

Sooner or later, most of us need to patch drywall, whether for purely cosmetic reasons—filling nail holes, for example—or for comfort or safety—say, a hole has left wiring exposed. Although ...