Polar Lab Ring
195 Labs
6 belt connection for each cube (or for more white throughput later on).
White cubes poduction:
1800/min: https://www.dysonsphereblueprints.com/blueprints/labs-for-1800-white-cubes-min-warper
900/min: https://www.dysonsphereblueprints.com/blueprints/labs-for-900-white-cubes-min-warper
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Blueprint