A Maine Coon kitten named Ray was born with a spinal condition that limits the use of his back legs, but that didn't prevent Carrie Barron from falling in love with and adopting him. Her neighbor, a middle school teacher, enlisted the help of her eighth grade students to design and 3D print a wheelchair for Ray, using the library's 3D printer. Ray has already outgrown his first wheelchair, but the students have learned valuable lessons in 3D design and 3D printing. Read more at 3DPrint.com: http://3dprint.com/181352/3d-printed-wheelchair-kitten/