This is an alternative PSU cover for the Prusa i3 MK3 3D printer designed for a Meanwell RSP-320-24 Power Supply. This cover should also fit the Meanwell LRS-350-24 power supply as it shares the same foot print as the RSP-320-24.
More information can be found on this in the Prusa forums.
.15 or .2 mm (.2 recommended)
Any good PETG/ABS PETG or ABS
for the main body, orient the bottom of the body to the build plate.
for the bottom cover, orient the bottom of the bottom cover to the build plate.
for the upright bracket, orient so that the thin protrusion is on the build plate.