They make swarm 3D printers that build massive objects - AMBOTS

AMBOTS makes swarm 3D printers. Their system strategically moves 3D printers around so that they can collaborate together. Multiple 3D printers print at the same time, each being assigned a specific chunk of the model.

Learn more about AMBOTS: https://www.ambots.net/

Find all other episodes of the podcast: https://3dprintauthority.com/