Table 1.
Selected process parameters for three-dimensional (3D) printing using polylactic acid (PLA) and PLA+ (before optimization) (own work based on [32]).
| Parameter | Value Range | |
|---|---|---|
| PLA | PLA+ | |
| Density (g/cm3) | 1.2–1.3 | 1.2–1.3 |
| Diameter (mm) | 2.85 ± 0.02 | 2.85 ± 0.02 |
| Layer height (mm) | 0.04–0.32 | 0.04–0.32 |
| Shell thickness (mm) | ≥0.15 | ≥0.15 |
| Bottom thickness (mm) | ≥1 | ≥1 |
| Top thickness (mm) | ≥1 | ≥1 |
| Fill density (%) | 10–100% | 10–100% |
| Print speed (mm/s) | 30–70 | 30–70 |
| Bed temperature (°C) | 50–60 | 50–60 |
| Printing temperature (°C) | 205–225 | 205–225 |
| Maximum extrusion temperature (°C) | 225 | 225 |
| Printer power consumption (W) | 80 | 80 |
| Relative tensile strength | 100 | 108.5 |
| Relative bending strength | 100 | 134.4 |
| Relative modulus of elasticity in bending | 100 | 114 |