Compact layout producing 1.6k red circuits per minute.
Tested on 0.16.
100% belt based, producing green circuits and plastic on site.
EDIT: little boost with 3 beacons moved a little. copper belts on the same side for convenience/balancing.

Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Compact layout producing 1.6k red circuits per minute.
Tested on 0.16.
100% belt based, producing green circuits and plastic on site.
EDIT: little boost with 3 beacons moved a little. copper belts on the same side for convenience/balancing.