Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
10x10 belt block, can be easily tiled. Stores 3520 units of Promethium. Blueprint book includes side finishers to connect all the belts together.
Can be upgraded to 4.6 density, just remove 2 rows of central belts horizontally or vertically and reweave it with using the yellow belt as well.
