6 model

Free

Sega Master System Cartridge Storage Box with Hinged Lid

Printables

Free

SEGA Mega Drive NTSC JPN Cartridge Tray

Thingiverse

Free

Sega Genesis cartridge holder x8

Thingiverse

Free

Sega Game Gear Cartridge Storage Box

Printables

$2,23

GameGear Ultimate Storage Box – 38 Slots

Cults3D

Free

Gaming cartridge display stand

Printables