This is a Remix of https://www.printables.com/model/1235928-unifi-ucg-fiber-10-inch-rack-mount Made some changes so it fits a 19 inch rack. Also adapted the mounts/Blanks from @Mauker
it's a tight fit getting the hex nuts in place, but can be done
Parts
3x M5 screws
3x M5 hex nuts.
Thx to mauker
The author remixed this model.
Made some changes so it fits a 19 inch rack