TPU Filament: Uses, Properties and Printing Guide
A flexible filament family used for grips, bumpers and compliant parts; hardness grades vary substantially.
Check whether it fits your part
Best uses and poor fits
Commonly selected for
- flexible parts
- vibration damping
- protective bumpers
Consider another material for
- rigid dimension-critical parts
- very fast unsupported printing
Starting setup range
Printing difficulty: moderate. Nozzle: 210-240 C. Bed: 30-60 C.
These are generic starting ranges, not a universal profile. Check the exact spool manufacturer guidance. Enclosure expectation: no. Drying importance: moderate.
Property profile
The five-point ratings are editorial comparison bands for typical unfilled material families, not laboratory measurements.
Stiffness 1/5 · Toughness 5/5 · Flexibility 5/5 · Heat resistance 2/5 · Weather resistance 3/5 · Ease 3/5.
Printing and design cautions
- Feeding problems in loose filament paths
- Moisture-related surface defects
- Match design clearance to the chosen Shore hardness.
- A constrained filament path can help.
Major limitations and safety notes
- TPU is a family, not one hardness.
- Multimaterial handling varies by printer.
Use normal good workshop practice and manufacturer safety information. This is generic guidance, not a hands-on spool review or a safety certification.
Related comparisons
Plan material and cost
Sources
Last verified 2026-09-20.