Game Boy Zero Case / customized holders for internals

This case is a replica of an orginal Game Boy case. It's meant to house all electronics to build a Game Boy Zero. I measured an original case with a caliper and tried my very best to put those measures into 3D models. I am a complete beginner when it comes to 3D modelling and 3D printing. I used OpenSCAD for this project (I only found out about Fusion 360 after I was almost done). As you might notice I adjusted the case slightly to facilitate the printing process. I skipped the dull areas around