... near a light source and then turn out the lights, it glows green in dark! It's perfect for haunted houses, ... /ABS filament have the following characteristics in 3D printing,and we have good feedback from many EU customer: multiple color, asolutely round shape ... bubble,high tenacity and stable melting point,which is popular in the 3D printer like RepRap, Makerbot, Mendel, Huxley UP! Printers, Thing ...