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Researchers at the University of Southampton used 3D printing technology to create a small aircraft with a wingspan of about 2 meters and a top speed of 100 miles per hour. The aircraft is printed using laser sintering technology. Each part is printed individually, and the entire aircraft can be assembled in just a few minutes without any tools. The use of 3D printing technology allowed the aircraft to be designed and completed in just a few days, greatly shortening the construction period. At the same time, the use of this technology also has more obvious advantages: any part that needs to be improved can only be changed in the computer and then reprinted, which is very convenient.