Gameboy cartridge holder with flip option

Update 1

I added a version for 30 and 40 cartridges.

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Gameboy cartridge holder with flip option.
You can flip through your collection without removing your games from holder.
Quick and easy to print.
0.4 nozzle 
0.2 layer height 
0% infill
3 perimeters
3 layers for top and bottom