Defense wall with turrents and laser turrets. Supplied by a train, unload of supplies controled by circuits. Can be modified.

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Defense wall with turrents and laser turrets. Supplied by a train, unload of supplies controled by circuits. Can be modified.