Filasoy replaces harmful petroleum-based plastic with a low-energy, low-temperature, renewable and recyclable filament. It retains similar properties found in a bioplastic with an added "green" twist: It allows printing without waste.

Carmen Valverde-Paniagua, Yanssen Tandy, and Nicole Raley.

Team members are Carmen Valverde-Paniagua of Chihuahua, Mexico, a senior majoring in mechanical engineering; Nicole Raley Devlin of Rockville, Md., a doctoral student in chemical engineering; and Yanssen Tandy of Jarkarta, Indonesia, a senior student in chemical engineering. The team received a $20,000 prize.

For more on the students' winning work, watch this video.