How to Turn a Curtain Rod into a Lamp

Using a straightedge, mark the center point on one side of each stand-alone ledge and the bottom-most ledge by drawing pencil lines corner to corner; the center of the "X" is the hole location. For the top ledge of the C-shaped assembly, use the vertical piece to mark off the ¾-inch space where it will butt against the ledge, then draw an "X" on the remaining surface area to find the hole location. Set aside the unmarked bottom ledge of the C-shaped assembly.