LEGO Treadmill That Moves in Every Direction [video]
youtube.com
youtube.com
Do per axis spins underneath packages to move them onto the correct conveyors nearby. At least in some configurations, it would be easier than the variations shown from these types of vendors for merge conveyors, and fairly easily handle split conveyors.
https://www.dornerconveyors.com/solutions/merge-diverting-an...
https://www.bastiansolutions.com/solutions/technology/sortat...