Featured image of The World’s Largest 3D Printer Set to Build the World’s Largest 3D Printed Building in Qatar Source: COBOD
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Too Big to Print?

The World’s Largest 3D Printer Set to Build the World’s Largest 3D Printed Building in Qatar

Picture ofCarolyn Schwaar
by Carolyn Schwaar
Published Jun 12, 2025

Custom COBOD construction printers just started work on the first of two 20,000-square-meter schools in Qatar.

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In the middle-eastern country of Qatar, concrete is about to start flowing through custom-built construction 3D printers to erect the world’s largest (so far) building, a two-story school on a 100-meter by 100-meter plot.

Danish construction 3D printer manufacturer COBOD customized two of its large BODXL machines to measure 50 meters long, 30 meters wide, and 15 meters high, making them the largest construction printers in the world, according to COBOD.

Some clues of what the 3D printed school will look like are shown on this event tent at the demo site (Source: UCC Holding)
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A construction team of architects, civil engineers, material scientists, and printer technicians have spend the past eight months training on the massive 3D printer making more than 100 full-scale test prints at a trial site in Doha, the capital city of Qatar.

Government and industry officials at the launch of the 3D printed school project in Doha, Qatar (Source: HCC Holdings)

Architecturally, the schools are inspired by the natural desert formations of Qatar, with curved, flowing walls resembling sand dunes, says COBOD.

Two same-size schools are expected to be completed by the end of 2025.

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About the Author:
Carolyn is All3DP’s senior editor and a journalist with 25+ years covering business and technology. Passionate about making tech accessible, her work also appears on Forbes.com.
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