Attempts to upgrade from normal tier 1 modules all the way to legendary tier 3 modules, using quality steps. It tries to take into account the Quality 3 (rare) limit for the earlier upgrades.
Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Attempts to upgrade from normal tier 1 modules all the way to legendary tier 3 modules, using quality steps. It tries to take into account the Quality 3 (rare) limit for the earlier upgrades.