Using Lunar and Martian Dust to 3D print.

Replacing parts on a lunar base could pose a major challenge, since resupplying missions will likely be massively expensive and time consuming. That’s why a group of scientists led by the European Space Agency are exploring ways to 3D print anything from screws to coins using artificial lunar regolith — a simulation, essentially, of moon dust.

The scientists partnered with Austrian company Lithoz to develop a 3D printing technology that first mixes the regolith with a special kind of glue that hardens when exposed to light. Then they 3D print it into a particular shape and bake it inside an oven — similarly to how ceramics are hardened inside a kiln. “If one needs to print tools or machinery parts to replace broken parts on a lunar base, precision in the dimensions and shape of the printed items will be vital,” says Advenit Makya, an ESA engineer working on the project in an ESA blog post.

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Credits:
https://futurism.com/scientists-europe-3d-printing-fake-moon-dust-regolith-objects