3D printed articulating LED lamp - 90 degree join

I'm working on a phone holder. I needed to add movement in the other axis, so I created this part.

I added a mirrored STL because mirroring the part in your slicer will also mirror the thread rendering the part unusable (we learn from our mistakes).

NOTE: I created the part using OpenSCAD. If you want the sources, just ask me. I decided to not upload the scad file because it required the latest version of OpenSCAD and people complain when they can't compile my shapes.

[Edit] I added the