print without supports, for mounts, you can use the original ones by Peeves https://www.printables.com/model/792929-back-cover-for-prusa-xlcd-now-with-new-look or if you are want to have angle adjustable mounts where you can use the xLCD as Desk mounted, wall mounted, shelf mounted, ceiling monted, enclosesure or even Printer Frontframe mounted, you use my own designed adjustable hinge mounts here:
https://www.printables.com/model/932208-mk4-xlcd-adjustable-display-mounts
The author remixed this model.
Remixed Peeves Backcover https://www.printables.com/model/792929-back-cover-for-prusa-xlcd-now-with-new-look to fit the touchscreen optimized Display Cover by David https://www.printables.com/model/757740-mk4-xlcd-cover-knob-touchscreen-optimized