Orbital Matter Achieves First Rigid 3D-Printed Structure in Space Vacuum
German startup Orbital Matter has successfully 3D-printed a half-meter rigid beam in the vacuum of space using its Replicator-2 satellite. As TechCrunch reports, the milestone marks a shift from folding complex structures into rocket fairings toward autonomous on-orbit manufacturing, potentially enabling the construction of massive solar arrays and data centers directly in orbit.
Context from Industry Pulse
Orbital Matter is entering a sector previously explored by NASA-funded projects like Redwire, which successfully printed beams in ground-based vacuum chambers but did not reach orbit. The move toward on-orbit manufacturing addresses the critical bottleneck of rocket fairing volume. As satellites evolve into high-compute orbital data centers, they require significantly more electrical power and larger surface areas for heat dissipation. Current origami-style deployment methods for solar arrays are reaching their mechanical limits. By proving that rigid structures can be cured in a vacuum, Orbital Matter provides a pathway for scaling satellite infrastructure to 100-kilowatt capacities that are currently impossible to launch in a pre-assembled state.
The Replicator-2 satellite, which launched this summer on a SpaceX rideshare mission, carried four specialized 3D printers designed to operate outside a pressurized environment. According to TechCrunch, the hardware utilized a custom plastic resin that cures under ultraviolet light to form cylindrical beams. While previous additive manufacturing experiments were confined to the internal atmosphere of the International Space Station, this mission demonstrated the ability to create structural components in the actual vacuum of space.
Technological challenges remains as the company refines the process. TechCrunch notes that while one printer suffered an anomaly and failed, another successfully produced the boom required to deploy a flexible solar array. This redundancy allowed the team to gather flight data and adjust software in real-time rather than relying solely on terrestrial vacuum chamber testing. The startup, founded in 2022 by former FormLabs engineer Robert Ihnatsin and Jakub Stojek, is collaborating with the European Space Agency and Thales Alenia on the project.
The implications for future spacecraft design are significant. Current satellite components like telescope mirrors and solar panels must be folded into tight configurations to fit inside rocket fairings, creating high engineering risks during deployment. TechCrunch reports that by building structures in orbit, engineers can bypass these volume constraints. Orbital Matter believes its technology could eventually produce 100-meter beams, which would dwarf the 20-meter arrays found on existing high-power platforms like SpaceX Starlink V2 satellites.
Looking ahead, the company plans to launch a larger demonstration mission in 2028. This upcoming flight aims to deploy a solar array capable of generating 5 kilowatts of power, serving as a prototype for even larger systems. By 2030, the startup intends to support massive 100-kilowatt deployments per wing. As TechCrunch details, the company is also marketing its printer-assisted deployment system to other satellite manufacturers looking to extend antennas or panels beyond traditional mechanical limits.
The Industry Pulse Bottom Line
By moving manufacturing from the factory to the vacuum of space, Orbital Matter bypasses rocket launch constraints, enabling a new class of high-power, large-scale orbital infrastructure for data centers and telecommunications.