Display Case 200x200mm

Hello guys, this is my first model that i made myself, its supposed to be a display case for, in my case, miniatures but can ofc be used for displaying other things aswell. :)I got insipred by Artis Opus Cases and wanted my own printable ones.There are 4 Verions, a simple case, a simple case with slots for 2 acrylglas trays, and 2 versions without a back piece. The Dimensions for the whole case are 200x200mm, the inside dimensions are 180x180mm, the trays are 186x113x3 (best to remove 1mm from the everything except thickness) and the sheet for the front is 183x183x2 (same here, remove a mm). I get my acrylglas sheets cut from a local store very cheap here in Austria, i guess for most of you getting them in size shouldnt be a problem either.There are holes in the back for screws that you drill in the wall since i want it to hang securely, these holes are 5mm in diameter and are 5mm deep. The front has holes for 12 5x2mm magnets which should hold the lid on securely. As we speak i am pri