• The order processing portion of our website will undergo scheduled maintenance on Wednesday, November 25 until Tuesday, December 1.
    Attempted orders during this time will NOT be processed or held in queue.
    If you have any questions, please contact us at +1-800-243-3374 or +44(0)870 7577007.
    Thank you for your understanding and patience.

NinjaFlex 3D Printing Filament

Product #

75 out of 100
Write | View
Open your world to flexible prints with low-tack, easy-to-feed NinjaFlex filaments. NinjaFlex creates extremely flexible, strong prints, extending the capabilities of many of today's best-selling 3D printers. NinjaFlex is a specially formulated thermoplastic elastomer (TPE), ideal for 3D printers with direct-drive extruders. All NinjaFlex filaments are made in and shipped from the U.S. International orders are stocked and shipped from the UK. NinjaFlex is patent pending technology.

Please select options to see price.

Reset Options

Contact Customer Support

+44 (0) 870 7577007


Visit NinjaFlex3D.com for complete product information. 

Announcing the newest addition to the NinjaFlex family, SemiFlex 3D Filament! Just like the original NinjaFlex 3D Filament, SemiFlex material boasts flexibility, strength and reliability for your 3D printing projects and is slightly more rigid to expand your printing possibilities.
SemiFlex is best for the following types of projects:
  • High level of detail
  • Contain intricate parts
  • High resolution text
  • Unsupported vertical printing
  • Shock-absorption needed
  • Requires less flexibility than NinjaFlex original 3D Filament
To determine which NinjaFlex 3D Filament is best for your next project, use the quick reference chart below.


  • Consistent diameter and material properties provide reliable, high quality prints
  • Patent pending technology allows for smooth feeding
  • Low friction exterior allows smooth feed through filament guides
  • High elasticity and excellent abrasion resistance
  • Excellent build platform adhesion and bonding between layers
  • Filament hardness of approximately 85A (NinjaFlex) and 98A(50D) SemiFlex
  • REACH and RoHS 2002/95/EC Directive Compliant
  • 1.75mm filament spool = .50 kg
  • 3.00mm filament spool = .75 kg
Processing Guidelines:
  • Recommended extruder temperature: 220 - 230°C
  • Recommended platform temperature: 20 - 50°C
  • Recommended Print Speed: 30 mm/s
Contact us for information about our accredited educational institution pricing for NinjaFlex.
Shipments to Europe and the Middle East are made from our United Kingdom facility. All other shipments originate in the United States.
Patent Pending

For additional questions or comments on NinjaFlex, please complete the form below.

Average Customer Rating

75 out of 100
1 Star
0% (0)
2 Star
33% (1)
3 Star
0% (0)
4 Star
0% (0)
5 Star
67% (2)
  1. Tricky at first

    Reviewed on Wednesday, April 01, 2015
    100 out of 100
    • Rating

      5 Star

    This material was tricky to use at first, but the big important things: -Garolite printing platform is a MUST for good adhesion. I sanded mine with 200 grit sandpaper and clean between every use with ISO. Some garolite boards aren't flat, so watch out... -220C extruder temp. works great for me. -Use the ooze control feature in your printing software! And really use the retraction and wipe features too. -Slow down! -If your extruder has any gap between the drive gear and the hot-end input, this stuff will find a way to bend into that gap. I printed a nylon block to bridge that gap on my Bukobot's Spitfire nozzle. After figuring out these tricks, I'm printing GORGEOUS rubber parts. So strong I can't rip, tear or break them - even along the print layers.

  2. Has potential

    Reviewed on Saturday, January 31, 2015
    25 out of 100
    • Rating

      2 Star

    We are trying to use this to print door seals for a machine we manufacture. We have difficulty getting the settings right for the first solid layer above the infill. The tech support from Fenner is abysmal. If they would help us figure this out, we would be buying several rolls of filament.

  3. Nice and rubbery! Orange (lava) works great

    Reviewed on Thursday, May 08, 2014
    100 out of 100
    • Rating

      5 Star

    Bought Orange & Black filament and the orange works great. Love having the option to print rubber based parts. A real game changer! note: Still can't get black to extrude consistently from the same machine. It starts, but always stops somewhere along the print. I am assuming the colors may give better quality prints as the pigment likely makes the filament a little harder and easier for the extruder to grab. Have had no issue with orange at: Makerbot Replicator 2: 90% fill 2 shells .2 layer 225' 35mm/s extrude 150mm/s travel

To write a review you must Log In

Need Help?

Please only use this form for questions or comments specifically related to products or information on this particular page. For any other questions or comments, please use our general contact us form.



Back To Top