I had the idea to make a Gameboy cart that looked like a NES cart. The front need to be printed without any support but the back can be printed with a brim and support.
The label you will need to scale it to be 30mm wide and the rest will follow.
There are 2 different carts tops nes_gameboy_cart_top10 which is a thicker top which wont work with gameboy carts that have more chips on them. Use nes_gameboy_cart_top13 if your cart has a lot of chips and or a battery for saves.
Blog post - https://wp.me/pKY3w-E4
Youtube - https://youtu.be/WDvCpw-TW-Q
The author hasn't provided the model origin yet.