Simple and extremely durable wall mount for 1U, 2U or 2X 1U servers or other equipment.  Can be used to mount equipment of any length and has been tested to handle heavy devices. Recommend printing in PETG / ABS / ASA, but PLA would fine too if your devices don't get very hot. This is designed to work with M5 and M6 cage nuts. Simply insert the nut in the slot (without its metal wings) and tighten the screws.

Compared to the original, I have a added slots for nuts, making it significantly easier to install. I have also remove the partition which prevented from using this with 2U devices. The hole for the wall mount screw has been expanded and has ridges to make it easier to mount and align the left and right parts vertically.