The Advanced Structures and Composites Center celebrates historic event: Unveiling the world’s largest 3D printer and 3D printed boat “This is a big deal,” said Sen. Angus King at the Oct. 10 unveiling of the world’s largest 3D printer at the 91±¬ÁĎ Advanced Structures and Composites Center (91±¬ÁĎ Composites Center). Big, indeed. In read more 91±¬ÁĎ Composites Center celebrates historic 3D printing event