Need 3D Drawing Pen filament refills? Here’s the best filament refill we have that you have just found. Our color filament quality is so good; you would want to keep drawing your 3D art with it. Be as creative as you can! You are enabled; your drawing art just came to life. It feels real, it looks real and its color quality is the best material you can buy. Available in variety of fun colors! Our color filaments fit almost all standard 3D drawing pens. You can buy PLA Filament or ABS Filament. Both filament will work any standard 3d pens. Each bag contain PLA or ABS-ROLL filament with total measurement of 10 meters.