Materials, materials, materials. When it comes to 3D printing, the biggest improvement that most in the industry wish to see, is the ability to print in more materials. Currently, most consumer level 3D printers are restricted to printing primarily in plastics, however, one 17-year-old from Virginia, named Sagar Govani, is well on his way to changing this. He is in the process of creating a 3D printer, more…