Conveyor belts are a widely used system in industrial, platformer, and survival games. While you could easily buy a pre-made asset, if you're interested in learning how to create your own, check out this article by Technical Artist よしむ.
Inspired by watching suitcases being transported at the airport's baggage claim area, they thought it would be fun to recreate that process in a game. As a result, they developed a prototype of a conveyor belt mechanism. This system, which utilizes Houdini and Unity, offers flexible applications for various use cases. With a curve like this, the waiting time surely won't be boring:
