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The world’s largest 3D printer created the world’s largest 3D-printed boat in just three days (72 hours). Tested on the water, it sails like a dream.
Built bythe University of Maine at the campus’s Advanced Structures & Composite Center, the boat is 7.6 meters long (and weighs 2.2 metric tons). The boat is called 3Dirigo, a play on Maine’s motto, “Dirigo,” which means “I lead” in Latin; roughly speaking, the cost to build it was about $40,000.
The printer, on the other hand, is currently over 20 meters long and will grow to 30 meters thanks to an extension: it can “swallow” 226 kilograms of plastic polymer pellets per hour, and in the future, according to the university’s engineers, it will be able to do much better. It cost $2.5 million, most of which was provided by the U.S. military.
A $20 million research collaboration with the Oak Ridge Laboratory in Tennessee will focus on using bio-based thermoplastics reinforced with cellulose-based materials to create a strong, durable, and recyclable 3D-printable material. If everything goes according to plan, the printer will be able to rapidly produce fully recyclable molds for boats and accessories.
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