DB's Adjustable Locking Arm Additions

The original design for the locking parts of the adjustable lamp are awesome. I needed some extra bits in order to assemble this into the lamp I wanted to actually build. The snap-together pieces had no strength and kept snapping apart while trying to put things together. I replaced them with some M5 screws that fit nice and tight, and only need to be hand-tightened since the locking mechanisms just need to be held together closely, but not super cinched in order to be strong. It's still relativ