copper input on right, iron on right circuit output on bottom left (not sure of through put) circuit creation heavy but yellow belt full(ish) of copper wire
by Unknown Author · updated 7/24/2017 · 9

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
copper input on right, iron on right circuit output on bottom left (not sure of through put) circuit creation heavy but yellow belt full(ish) of copper wire