3D Filament PLA , 1.Lower melting point and better smell than ABS, flow rapidly, not blocking the nozzle; 2. PLA Filament 3D Filament PLA ,1.Lower melting point and better smell than ABS, flow rapidly, not blocking the nozzle;2. PLA Filament has small shrinkage even when printing big size model.3. Dimensional accuracy ± 0.1mm with laser monitor and interlock device,smooth surface,no bumps,no ...