The 3D filament materials which exist are PLA, PETG, ABS, TPU, PET, PETT, NYLON, PVA, HIPS, TPE, Nylon, Wood, ASA, PLA Metal, PMMA, FPE, PP, POM and PEI. The most commonly used 3D filament is PLA, PETG and ABS. Different materials will produce different 3D outcomes. Discover more from the 3D printing experts on RepRapWorld!