Melnor Timer 3280 2x6 Mount

Uses M4 x 16 bolts, I did insert brass inserts into round backplate, the rest I didn't need to. New to making a design feel free to alter it. It comes in 4 pieces but the base you can manufacture to what ever works best for you. Mine was mounted on a 2x6 hand rail. Nozzle caps were from https://www.thingiverse.com/thing:6196107