Polymaker 1.75mm PolyTerra PLA Filament (1kg, Fossil Gray) PLA Bioplastic & Biocomposite Compound, Compatible with Most 3D Printers, 374 to 446°F Print Temperatures, 30 to 70 mm/s Print Speed, Direct-Drive Retraction: 1mm / 20mm/s, Bowden Retraction:...