Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Only 1 foundry needed per tier of belt for a total of 4 foundries. Can be built as you go when you first land on Volcanus. Control panel is up top to change settings for belts you need. It's fully automated with minimal downtime. Will slightly overproduce all belts due to automation switch delay.