Cobb angle is a measurement of the degree of side-to-side spinal curvature, which is a deformity called scoliosis. The Cobb angle, named for orthopedic surgery pioneer John Robert Cobb, describes the ...

One long edge ripped at a 45-degree angle ... your “L” bracket. Be careful not to take out too much depth. Your screws need enough wood to grab and do their job. Using a speed square or a corner jig ...

Take two pieces of 1x4 lumber (any scrap lumber will do) and create some simple, cheap and useful brackets on the wall. Cut each board 7-3/4 in. long with a 30-degree angle on both ends ... Closet ...