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 University of Maine Advanced Structures and Composites Center (UMaine Composites Center). Big, indeed. In read more UMaine Composites Center celebrates historic 3D printing event