Diy Wooden Locker Plans . Then i nailed the two end pieces to studs in the wall. Install screen molding over the front edges of the box. Garage Custom garage Diy garage from www.pinterest.com Each locker section is 15″ wide x 15″ deep. Then i nailed the two end pieces to studs in the wall. Today it’s a diy locker and bench unit for my friend’s mudroom area.