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Autodesk and NASA Explore 3D Printing for Mars

Welcome Mars settlers! Please print your habitat here.

If what NASA envisions becomes a reality, such a sign may very well greet the pioneering earthlings who decide to relocate to Mars.

In late 2015, as part of its Centennial Challenges program, NASA held a design competition “to build a 3D-printed habitat for deep space exploration, including the agency’s journey to Mars. The multi-phase challenge is designed to advance the construction technology needed to create sustainable housing solutions for Earth and beyond.”

The teams were asked to not only render their concepts in Building Information Modeling (BIM) software but also to “autonomously 3D-print elements of the habitat.” Competitors got a chance to win part of the $2.5 million in rewards.

In July 2018, the third and final stage of the competition wrapped up. The space agency and its partner Bradley University of Peoria, Illinois,  picked five winning teams, awarding them between $19K to $20K each based on their scores.

In its blog post, NASA points out, “Creating a structure on the surface of Mars is an extraordinary challenge considering the extensive limits on transporting materials and the differences in atmosphere and landscape. The 3D-Printed Habitat Challenge aims to further the progression of sustainable shelters that will someday occupy the Moon, Mars or beyond …”

Now it seems Autodesk has also become involved in the efforts to explore a 3D-printable habitat for the Red Planet.

A rendering of how 3D-printed habitats might look on Mars (image courtesy of Autodesk).

NASA Swamp Works and Autodesk

In a blog post explaining the project with NASA, Raymond Deplazes, Autodesk’s Manufacturing & Research PR, writes, “NASA’s Swamp Works lab is experimenting with 3D-printing habitable structures using a process called robotic extrusion, and a composite material made up of loose sediment (soil, dust, broken rock, etc.) and recycled plastic. The sediment, known as regolith, can be widely found on Earth, other planets, the moon, and even asteroids … Based on NASA specifications, Autodesk’s Advanced Consulting team designed the barrier using tools such as Fusion 360 and PowerMill to comply with structural as well as robotic extrusion requirements while achieving significant weight reduction. Autodesk also developed the software to control the industrial robot arm …”

The proof of concept is a success, according to Autodesk. “The first artifact that NASA has printed using this approach is a Jersey barrier — one of the modular barricades, typically made of concrete or plastic, that you often see separating lanes of traffic near road construction zones,” The company writes.

“End goal of the project is to build a full ecosystem of material, machine,and software for autonomous robotic construction. What we did with NASA was just a proof of concept. Next step is to scale everything up.” says Abhishek Trivedi, Consulting Business Development Executive, Autodesk.

Swamp Works lab is located at the Kennedy Space Center in Florida. The team is working on, among other things, a robotic miner called RASSOR, which stands for Regolith Advanced Surface Systems Operations Robot.”

Despite its alien-sounding nomenclature, regolith is readily found on earth as well as the Moon, Mars, and asteroids. The science and astronomy portal Universe Today explains, “regolith refers to any layer of material covering solid rock, which can come in the form of dust, soil or broken rock … The surface of the Moon is covered with a fine powdery material that scientists refer to it as ‘lunar regolith’ … Compared to lunar regolith, Mars dust is very fine and enough remains suspended in the atmosphere to give the sky a reddish hue.”

Prototype barriers manufactured with 3D printing, possibly for Mars (image courtesy of Autodesk).

Building on Planetary Scale

Winning teams of the NASA challenge use inventive methods to tackle the Martian construction challenges. Team Zopherus from Rogers, Arkansas, for example, proposes using a moving 3D printer that employs rovers to collect printable local materials.

Another team, AI Space Factory, believes Martian houses should be “vertical orientation and small footprint” — much like beehives.

“Our current challenge in the context of the [NASA] project is to take manufacturing constraints related to robotic extrusion into account,” says Trivedi. “We identified delamination as an issue if extrusion is not controlled properly. I am sure we will identify more issues as we scale the technology up for large infrastructure projects.”

“Additive manufacturing technology has the potential to revolutionize the way we do construction here on Earth, too,” noted Massimiliano Moruzzi, Autodesk’s computational science research group. “If we can repurpose plastic pollution and use readily available natural resources to robotically print houses on Mars, we can use the same approach to sustainably build streets, sidewalks, and even playgrounds here at home.”

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About Kenneth

Kenneth Wong has been a regular contributor to the CAD industry press since 2000, first an an editor, later as a columnist and freelance writer for various publications. During his nine-year tenure, he has closely followed the migration from 2D to 3D, the growth of PLM (product lifecycle management), and the impact of globalization on manufacturing. His writings have appeared in Cadalyst, Computer Graphics World, and Manufacturing Business Technology, among others.

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