This is designed to put a Raspberry Pi Zero inside of a Nintendo 64 cartridge shell. Yes, I know you can't play N64 games on a Zero :)
I designed it to be printed in the vertical orientation with supports. The only pieces of the cartridge that should need removed are the central posts.
You will need an OTG adapter or hub to use USB devices; I'm using this one. You will also need a mini HDMI to HDMI adapter such as this or a cable with mini HDMI on one end and regular HDMI on the other.
Please don't destroy an original N64 cartridge. You can find the reproduction Cartridge shells in many colors on Ebay, Etsy and other sites for minimal cost.
Prints best in the vertical orientation with supports. Set the horizontal support offset to 1 mm and you won't have to dig the supports out of the grooves, but you'll need good cooling on your printer to accomplish this.