Mars Attacks

Future Mars Colonists Could Fly Rockets They 3D Printed Right on the Red Planet

byJon Christian
10. 22. 18

Forgot your wrench back on Earth? Just print one.

Rocket Launcher

If Elon Musk has his way, the first humans will arrive on Mars in 2024, bringing with them everything they’ll need for the mission — or at least everything they think they’ll need.

If these Mars colonists find themselves in need of a new piece of equipment while on the Red Planet, they’ll be out of luck. That makes the prospect of a round-trip mission scary and the idea of long-term colonization downright terrifying.

We’ve written about the startup Relativity Space before, but now it’s offering a potential solution to that supply conundrum: It proposes outfitting Mars colonists with sophisticated 3D printers that could churn out almost anything they could ever need — even an entire rocket.

Alum Network

Designing a 3D-printable rocket is one of Relativity Space’s first goals. To meet it, the company is using a technology called laser sintering, which forms powdered metal into complex shapes.


According to Business Insider, it’s also vastly simplifying its rocket design while a conventional rocket has about 100,000 moving parts, Relativity’s has only about 1,000.

Creating such a rocket is a major technical challenge, but Relativity has top-tier talent helping in the endeavor. Its co-founder and chief technology officer Jordan Noone previously worked at SpaceX and interned at Blue Origin, co-founder Tim Ellis was an engineer at Blue Origin, and advisor Tim Buzza was SpaceX’s fifth employee and an engineer for Virgin Orbit, Richard Branson’s rocket company.

Tech Deck

That said, designing a rocket astronauts could 3D print on Mars is still an enormous challenge. If Relativity’s project can make it off the ground, it’ll be an enormous boon to colonization efforts.

“I would love to launch our factory to Mars, and then figure out how to scale and sustain that society very quickly,” Ellis told Business Insider.


If successful, Relativity has the opportunity to make our off-world plans seem a little less scary.

READ MORE: Defectors From SpaceX and Blue Origin Are Developing a Remarkable Technology Called ‘Stargate’ to Help Colonize Other Planets [Business Insider]

More on settling Mars: Elon Musk’s Plans to Colonize Mars Overlook Some Major Hurdles

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