| AM | Additive Manufacturing |
| FFF | Fused Filament Fabrication |
| PLA | Polylactic acid |
| DSC | Differential scanning calorimetry |
| TGA | Thermogravimetric analysis |
| R | Shrinkage ratio |
| Length of the specimen before aging | |
| Length of the aged specimens | |
| Glass transition temperature | |
| Crystallization temperature | |
| Melting temperature | |
| Enthalpy of crystallization | |
| Heat of melting | |
| Heat of melting for an infinitely large crystal | |
| Degree of crystallinity | |
| Temperature at 5% wt. mass loss |