Simple Adjustable Fan Mount

These are a couple of simple joints that I designed to make positioning my fans accurately a little easier. I made these arms to fit the extruder I designed and so that I could keep using some fans I have gotten attached to, but should work just as well on other mounts.

The segments are all 4.5mm tall and has room for an M3 bolt to be sunk in 2.5mm. On the underside each has an M3 nut trap so it is easy to tighten two segments in place and lock a joint into position.The idea is to combine se