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3B3D, TPU Flex  3D Printer Filament

3B3D Filament has easy printing, high chemical resistance and high flexibility. It is an engineering material specially designed for applications where high toughness and impact resistance are required. Its flexibility can be adjusted according to the filling rate. It can be used in indirect (Bowden) and direct (Direct Drive) extruders.

Spool sizes: 200mm diameter width 75mm

Extruder Temperature


Does not require special "Hot-end"

Bed Temperature


Can be turned off optionally

Nozzle Specs

0,4 mm nozzle

Standard brass can be preferred

Cooling Specs:

Fan Speed: 100%

Cooling fan required

Drying Specs:

65°C for 4 hours

Maximum value when needed

Heated Chamber:

Suitable for open printers,

Does not require a closed or heated chamber


Physical and Chemical Properties

  • Shore 95A flexibility
  • High elongation over 500%
  • Ease of printing compared to similar flexible materials
  • High chemical resistance
  • Excellent layer adhesion
  • Exceptional fatigue resistance
  • Very low odor emitted during printing
  • Low moisture absorption
  • Maintaining flexibility at low temperatures
  • Free of styrene and BPA


3B3D TPU Flex® Usage Details


Printing DifficultyDifficult
Temperature Resistance70 °C
ToughnessVery High
Print Surface FinishVery Difficult
Dissolution BehaviorVery Difficult
Print SpeedLow
Detailed PrintBelow 0.2 mm
Nozzle AbrasionNone
Support SeparationDifficult


Filament Data Sheet download

3B3D, TPU Flex 3D Printer Filament

Price Options
One-time purchase
Filament Top up
£18.99every month until canceled
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