The Advanced Structures and Composites Center celebrates historic event: Unveiling the world��셲 largest 3D printer and 3D printed boat ��쏷his is a big deal,��� said Sen. Angus King at the Oct. 10 unveiling of the world��셲 largest 3D printer at the University of Maine Advanced Structures and Composites Center (91르적 Composites Center). Big, indeed. In read more 91르적 Composites Center celebrates historic 3D printing event