How to Build Shelves (with Pictures) - wikiHow
May 06, 2021 · Article Summary X. To build a basic shelf, place 2 bricks at each end of a softwood or plywood board on the floor. Then, place the board on top of the base bricks. If you'd rather attach your shelving to the wall, position a bracket on the wall where you want the shelf to go, mark it with a pencil, and drill holes in the wall.