Layer by layer by Matthew Modoono January 26, 2024 Share Facebook LinkedIn Twitter Surya Prakash, who studies civil engineering and construction management, calibrates a 3D printer in the Snell Engineering Center on Northeastern’s Boston campus. Photo by Matthew Modoono/Northeastern University Surya Prakash, who studies civil engineering and construction management, calibrates a 3D printer in the Snell Engineering Center on Northeastern’s Boston campus. Photo by Matthew Modoono/Northeastern University