Australian construction robot Charlotte can 3D print 2,150-sq-ft home in one day using sustainable materials

13 Oct 2025 By foxnews

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Construction robots are no longer a far-off idea. They're already changing job sites by tackling repetitive, heavy, and often dangerous tasks. The latest robot comes from Australia, where a spider-like machine named Charlotte is making headlines.

Charlotte is designed to 3D print an entire 2,150-sq-ft home in just one day. That's equivalent to the speed of more than 100 bricklayers working simultaneously. This offers a glimpse into how the future of housing might be constructed.

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AUSTRALIA DEBUTS FIRST MULTI-STORY 3D PRINTED HOME - BUILT IN JUST 5 MONTHS

Charlotte is a collaboration between Crest Robotics and Earthbuilt Technology. The robot doesn't simply stack bricks or tie rebar. Instead, it uses a giant extrusion system that lays down eco-friendly material in layers.

That material comes from sand, crushed brick and recycled glass, all locally sourced. The result? A structure that's fireproof, floodproof and created with a far smaller carbon footprint than traditional building methods.

SUSTAINABLE 3D-PRINTED HOME BUILT PRIMARILY FROM SOIL

This 3D printing construction robot stands out for its unique mix of speed, strength, versatility and affordability.

While Charlotte is still in the development phase, a scaled-down prototype has already been showcased. Researchers believe it could help solve housing shortages where labor is scarce and construction costs are skyrocketing.

Charlotte's creators also have their eyes set on the stars. They imagine future versions of the robot building moon bases for research and exploration. With its compact design and autonomous operation, Charlotte could adapt to the extreme environments of space just as well as it can to the challenges on Earth.

THE NEW ROBOT THAT COULD MAKE CHORES A THING OF THE PAST

If Charlotte delivers on its promise, it could reshape how homes are built worldwide. Faster construction means quicker housing availability. Lower costs and sustainable materials mean more affordable homes with a smaller environmental impact. For anyone facing rising housing prices or construction delays, technology like Charlotte may bring a ray of hope.

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AMERICA'S LESSONS FROM WORLD'S LARGEST 3D-PRINTED SCHOOLS

Charlotte may be years away from building its first full-scale home, but its prototype already points toward a future where robots take on critical roles in construction. From tackling housing crises on Earth to building shelters on the moon, Charlotte shows how robotics and 3D printing can work together to solve real problems.

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