https://www.thingiverse.com/thing:1940735

These game cart stands allow you to keep your games ready to play and on display in a visually pleasing manner, while protecting the connectors from dust.

OpenSCAD Customizer allows you to choose the cart type and the amount of carts you want to put on display.

Currently supported cart types: NES, SNES (PAL), SNES (NTSC), N64, Gameboy/GBA, DS/3DS