7 inch screen case

[Update - 22/05/2021]
Added the .f3d source file like requested by one of you
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This is a case I made for this 7" display I bought on Amazon:
https://www.amazon.it/gp/product/B0751B75GQ/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1
The display is a 7" touch screen from GeeekPi. You may be able to put your own display if it has the same dimensions.
The model has a few parts:
- The Front Frame, which goes in front of the display. The display is fully visible and it's thin, so it's possible to use the touch screen without problems.
- The Back Frame, which olds the display in position, you may need to use a bit of hotglue. On the back of the display there are some holes for the backplate, some pins to put in position the 3 controller boards of the display: the video controller, the touch controller and the buttons.
- The backplate is used to cover the boards, it have 5 holes for the buttons extension, a cut on the top to access the ports on the vi