Almost any room could use some extra shelving. This DIY box shelf project will help you give any room a little extra organization with more shelf space. 1. To make 3 shelves, cut 8’ 1x6 lumber into six 4’ pieces, and six 9” pieces. 2. Glue and screw the pieces to construct 3 box shelves. 3. Sand and stain the shelves the color of your choosing. 4. Hang with L-brackets and then organize your stuff!