Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Compact, no space wasted
Robot based
Beaconized, each type of level 3 module's production rate is 15/m/type, tile it if you need more.
Tileable and expandable
Easy control - Change the desire production quantity in 2 Arithmetic Combinators and Buffer Chests (Sum of 2 Buffer Chests = the number input to the 2 Arithmetic Combinators)
