PolyTerra PLA is a bioplastic based 3D printing filament designed from the ground up to create the next generation of PLA, providing ease of use, printing quality, speed and reliability. It is a sustainable product sourced naturally and for every spool produced a tree is planted to give back to the earth. The Gradient PLA gives your creative models a lively and magical appearance. PolyTerra PLA is a bioplastic 3D printing filament in which organic materials have been combined with PLA to reduce the plastic content and develop a more environmentally friendly filament.