Compact and near-perfect ratio. Takes 4 iron ore inputs, outputs 1 (fully compressed, lane-ballanced) blue-belt of steel. As a bonus, it has 5 underground belts for passing other resources trough.
Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Compact and near-perfect ratio. Takes 4 iron ore inputs, outputs 1 (fully compressed, lane-ballanced) blue-belt of steel. As a bonus, it has 5 underground belts for passing other resources trough.