Orbital Matter 3D Prints First Rigid Beam in Space
German startup successfully demonstrates in-orbit manufacturing to overcome traditional rocket fairing size constraints.
1Orbital Manufacturing Milestone
German startup Orbital Matter successfully 3D printed a half-meter rigid beam in the vacuum of space using its Replicator 2 satellite. This achievement marks the first time a free-flying spacecraft has manufactured a structural component in orbit. The process utilizes ultraviolet light to cure resin, creating durable, cylindrical beams for future construction.
2Overcoming Launch Constraints
Current satellite designs are limited by the physical dimensions of rocket fairings, forcing engineers to use complex origami-style folding mechanisms for solar arrays. By enabling in-orbit construction, Orbital Matter aims to bypass these volume restrictions. This capability allows for significantly larger structures that can generate more electrical power and improve heat dissipation.
3Technical Execution and Anomalies
The Replicator 2 mission launched this summer via a SpaceX rideshare flight, carrying four distinct 3D printers. Despite an anomaly that caused one printer to fail, the system successfully deployed a solar array using the printed boom. This proof of concept validates the company's strategy of testing hardware in orbit rather than ground-based simulations.
4Strategic Industry Partnerships
Orbital Matter is collaborating with the European Space Agency and Thales Alenia to refine its printer-assisted deployment system. These partnerships focus on integrating the technology into future spacecraft to extend solar panels and antennas. By working with established satellite builders, the company aims to standardize in-orbit manufacturing for commercial and scientific orbital missions.
5Scaling In-Orbit Construction
Engineers at Orbital Matter believe that 100-meter booms are technically feasible given sufficient resin supplies. For context, current high-performance satellites like SpaceX’s Starlink V2 utilize 20-meter solar arrays. This potential for massive scaling could fundamentally change how orbital data centers and large-scale power generation systems are designed and deployed in the future.
6Future Mission Roadmap
The company is already preparing for a 2028 demonstration mission featuring a larger printer on a more capable satellite. This next phase targets the deployment of a solar array capable of generating 5 kilowatts of power. This mission serves as a critical stepping stone toward achieving 100-kilowatt deployments per wing by the year 2030.
7Comparative Industry Context
While NASA previously funded vacuum chamber printing efforts with Redwire in 2023, those projects did not reach orbital flight. Previous microgravity printing experiments were strictly confined to the pressurized environment of the International Space Station. Orbital Matter’s success in the vacuum of space represents a distinct shift toward autonomous, scalable orbital infrastructure development.
8Foundational Growth and Vision
Founded in 2022 by Jakub Stojek and Robert Ihnatsin, the company has secured 3 million dollars in seed funding to advance its technology. By prioritizing iterative software updates based on orbital performance, the team is accelerating the timeline for large-scale space manufacturing. This approach positions them to lead the emerging market for orbital assembly.
Original article: TechCrunch — Orbital Matter 3D Prints First Rigid Beam in Space