... harmless 2. Good biodegradation 3. Good smell when printing 3D printer filament PLA is bio-based materials, through many ... , no odor of ABS smell; (2) Material stiffness, print out the model of good hardness, strength, durability as a ... green, yellow, red, blue, orange, purple, silver, gold, etc. 3D printer filament ItemUnitResultDensityg/cm31.25Melt Point°C150Diametermm3.0mm1.75Colornatural, white ...