Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
8-tall production cell for underground belts.
Inputs:
1 belt of Iron Plate
1 pipe of Lubricant
Outputs:
1 passive provider of 200 Blue undergrounds
The cell requests yellow and red underground belts from the logistic network and produces them if needed.