PETG vs TPU: Which Filament Should You Use?
PETG suits semi-rigid functional parts, while TPU trades rigidity for elasticity.
Choose PETG when
- You need a firm functional shell.
Choose TPU when
- You need a compliant or protective part.
Side-by-side context
| Property | PETG | TPU |
|---|---|---|
| Difficulty | moderate | moderate |
| Nozzle starting range | 230-250 C | 210-240 C |
| Heat band | 2/5 | 2/5 |
| Flexibility band | 2/5 | 5/5 |
Ranges and bands are a starting point. Formulations, drying, build surface and printer environment can change the result.
PETG guide · TPU guide · Use the selector
Reviewed 2026-09-20.