TPU flexible filament
TPU is a rubber-like flexible filament; its hardness is given as a Shore value such as 95A, and the lower the number the softer it is. Printed parts squeeze, bend and spring back, and resist wear and oil.
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Typical print settings for TPU
| Nozzle temperature | 210–230 °C |
|---|---|
| Bed temperature | 30–60 °C |
| Enclosure | Not needed |
| Drying | 50–60 °C for 4–6 h before printing |
Typical ranges for this material; the spool label and the printer profile are the authority.
What it is good for
Good for protective cases, seals and gaskets, wheels, anti-slip feet, straps and anything that must flex.
Which printer
Prints on most direct-drive machines at reduced speed; soft grades are usually fed from an external spool rather than through an automatic material changer. Check the printer manual for the exact rule.
Storage and care
TPU absorbs moisture very quickly. Dry it before every print if it bubbles or strings, and keep retraction to a minimum.



