The 3Doodler PRO can use ABS and PLA as well as Wood, FLEXY, Metal, Nylon, and Polycarbonate Strands. Each material has an optimum extrusion speed and temperature setting, as well as unique properties that offer unlimited possibilities. The 3Doodler Start plastic is not compatible with the 3Doodler PRO. PRO-specific filaments such as wood, metal, nylon and polycarbonate are not compatible with the 3Doodler Create or the 3Doodler Start. All plastics that can be used with the 3Doodler Create are compatible with the 3Doodler PRO.