... near a light source and then turn out the lights, it glows green in dark! It's perfect for haunted houses, radioactive ... 3mm/1.75mm natural colorEsun PLA/ABS filament have the following characteristics in 3D printing,and we have good feedback from many ... bubble,high tenacity and stable melting point,which is popular in the 3D printer like RepRap, Makerbot, Mendel, Huxley UP! Printers, Thing-o ...