3D printing in space: Revolutionary technology from the University of Glasgow

Additive manufacturing Researchers present 3D printing system for zero gravity

2025-02-13 Source: Press release by University of Glasgow | Translated by AI 1 min Reading Time

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Researchers at the Scottish University of Glasgow have developed a patented process for 3D printing in zero gravity. This allows equipment and components to be printed directly in space.

The patented 3D printing process allows components to be manufactured in space.(Image: University of Glasgow) — The patented 3D printing process allows components to be manufactured in space.
(Image: University of Glasgow)

The process was realized under the leadership of Dr. Gilles Bailet and the researchers of the James Watt School of Engineering.

The technology was developed because components and equipment have previously been produced on Earth. When transported into space by rocket, only small masses and quantities can be carried. In addition, there is a risk that mechanical devices may break apart during the rocket launch.

According to Dr. Bailet, 3D printing in zero gravity could help manufacture equipment such as solar reflectors, communication antennas, or pharmaceutical products directly in space. For example, insulin produced in space could be nine times more effective than current methods.

This is how the 3D printer works

Dr. Bailet has worked on the 3D printer prototype for several years. Instead of conventional 3D printing filaments, the zero-gravity printer uses granular material. This allows it to operate effectively in microgravity and the vacuum of space.

In November, the new technology was extensively tested during a parabolic flight campaign. Weightlessness was simulated through rollercoaster-like ascents and descents of the airplanes, earning them the nickname "vomit comet." The testing in microgravity was successful. Dr. Bailet is confident that the printing technology is now ready for use in space.

Funding in the future

Following successful testing under microgravity conditions, the team is now seeking financial support to test the system in space. Supported by the UK Space Agency, the project also promises that future production in space will not contribute further to space debris.

The team led by Dr. Bailet is also researching methods to integrate electronics directly into the printing material. This aims to improve the functionality of devices manufactured in space and make systems more sustainable.

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Date: 08.12.2025

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