[STAR] Alchement - PLA Gradient Series, 3D Filament, 1.75mm, 1kg (Gradient filament) Try this Multi-Color Gradient 3D Printing PLA Filament which gives your printing object a very smooth gradient effect between colors. Colors is random in each roll/spool. When you order, you will receive a RANDOM multicolored spool. Recommended Temperature : 190 C - 230 C