Mean Well LRS-350-24 PSU Cover and USB Port

***PLEASE NOTE - This design DOES NOT use the mounting hole in the upright to mount the PSU. If you want to use the mounting hole, please see my other design https://www.thingiverse.com/thing:4724396.

I was using the Ender 3 PSU cover by mfau until my stock power supply died. Since I am waiting for my replacement, (upgraded to a Mean Well LRS-350-24) I liked the holder by peed6687, but wanted the cord entering the rear, a buck converter inside, and a USB header from an old PC that I wante