Updates
04/2021: Added a "MIRRORED" version, which should allow you to flip the PSU around and have the switch point to the left side of the printer (when viewed from the front). This version is UNTESTED for now - feel free to try it and leave some feedback!
03/2021: Overall redesign (v2). Increased wall thickness from 1.2 (3 layers) to 2.15 mm (5 layers), added vents to switch-side part (optional), tweaked some measurements and improved printability and rigidity.
09/2020: Added a grounding wire to the PSU. This is recommended, since the printer frame looses any contact to ground when using this mod.
06/2020: The original profile caps didn't stick anymore, so I desgined tightly fitting replacement caps. They work perfectly with this PSU mount mod.
Description
Rear power supply mount for the Meanwell PSU on an  Ender 3 Pro. The mount does not require any additional parts, when using the one-sided "back side 1 screw" bracket. It slots in to the profiles and is fixed using the stock  Creality profile end caps. Optionally…