Walking Printers Promote Collaborative Construction

3D printing has grown legs. Siemens engineers are building spider-like robots that work collaboratively to construct large structures. Equipped with extruders, cameras, and scanners, the spider bots are essentially walking 3D printers. Using on-board algorithms, they can swarm over a project and divide up the work. They even spell each other. Every two hours, a robot climbs into its charger and lets its replacement know where to pick up the effort.

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