... 2. Good biodegradation 3. Good smell when printing 3D printer filament PLA is bio-based materials, through many customers ... a structural element, the structure is often used DIY 3D printer structure parts, such as Mendel, Prusa, etc.; (3) ... yellow, red, blue, orange, purple, silver, gold, etc. 3D printer filament ItemUnitResultDensityg/cm31.25Melt Point°C150Diametermm3.0mm1.75Colornatural, white, green ...