Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Basic asteroid processing. Have smart factory to build ammo or space science and combinator thing to throw away asteroid chunks, when inventory is close to full (actually counts free space). Have some quality factories and smelters, and tier 3 modules, but will work without them.