BROOKLYN, N.Y. & LOUISVILLE, Ky.--(BUSINESS WIRE)--MakerBot Thingiverse, the world’s largest 3D printing design community, and GE Appliances’ FirstBuild, a global co-creation community, today announced the winners of the Third Annual Hack-A-Thon at MakerBot’s Brooklyn, NY, headquarters. MakerBot and FirstBuild have a strong partnership committed to improving the home with the help of desktop 3D printing and connectivity. Inventors, educators, students and 3D printing enthusiasts worked over the