On Saturday afternoon, May 4, design and engineering teams from AI SpaceFactory, an architectural and technology design agency in New York, and Pennsylvania State University faced off in the final level of NASA’s 3D-Printed Habitat Challenge, which was run jointly with Bradley University in Peoria, Illinois. The competition, which was initiated in 2015, challenged teams to imagine and create sustainable shelters that could one day be built on the moon or Mars using locally available resources. The three-phase challenge tested teams across areas of 3D printing, including modeling software, material development, and construction.
From May 1 to 4, the two teams—whittled down from a group of 60—went head to head in 30 hours of 3D printing at a Caterpillar facility in Edwards, Illinois. Creating one-third-scale shelters of their architectural designs, the teams used recyclables and materials that could potentially be found in deep-space destinations. AI SpaceFactory built an elliptical pod using polylactic acid (PLA), a thermoplastic derived from biomass (theoretically to be processed, eventually, from plants grown on Mars) and one of the most common materials used in 3D printing. Penn State used concrete to create a structure with two domes.
Once the printing process was complete, the structures were subjected to tests that measured their ability to hold an atmosphere, tolerance to withstand meteor impact, and overall strength. Teams were scored on material makeup, design, structural integrity, and performance.
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