I remixed the backing of this (https://www.prusaprinters.org/prints/10886-elecrow-7-inch-lcd-screen-case-no-gluing-required) because it is a different brand and some of the connectors were in different places.
I printed it with a brim just to make sure it didn't curl up. Also I turned on support so the spot where you insert the 3mm hex nuts printed clean.
The author hasn't provided the model origin yet.