Prusa Haribo / Zaribo 3030 PSU Cover \w & \wo USB

This is a remix of tbergman8's PSU holder which allows to install a USB power supply and to mount it on 3030 extrusions. In my case I used it for my Prusa Haribo.

I also edited the original PSU mount from Prusa's github ( https://github.com/prusa3d/Original-Prusa-i3/blob/MK2/Printed-Parts/stl/PSU-cover-NODRILL.stl ) to include the same mounts.

On all files I increased the size of the cable hole because I am using quite thick silicone cables.

The idea with the angled connection was stol