... avirulent and harmless 2. Good biodegradation 3. Good smell when printing 3D printer filament PLA is bio-based materials, ... structure is often used DIY 3D printer structure parts, such as Mendel, Prusa, etc.; (3) Melting point lower than ABS, ... , red, blue, orange, purple, silver, gold, etc. 3D printer filament ItemUnitResultDensityg/cm31.25Melt Point°C150Diametermm3.0mm1.75Colornatural, white, green ...