Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Possibly the most dense belted base in factorio.
500SPM, 129m * 219m, 17.69 kSPM/km^2
Inputs indicated by combinators on bottom; fluids on top.
2.5 GW required. u/LP40 on reddit. UPS optimized.
Tileable; Remove the additional Clock module in the base of adjacent units.