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NinjaTek NinjaFlex Midnight Black TPU Filament - 1.75mm (0.5kg)

NinjaFlex is the original flexible filament. A specially formulated thermoplastic polyurethane (TPU), it's incredibly easy to feed in your 3D printer. Ideal for making parts like phone cases, watch bands or even shoes, the possibilities of Ninjaflex are endless. Ninjaflex enables you to make anything that requires some bend and flex while maintaining strength. Twist it, squeeze it, stretch it, this material won't let you down.
Product No. MV0S1W9G
Price: $55.00
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Bringing flexibility to 3d printing

NinjaFlex has developed quite a following in the 3D printing community because it's a very durable filament which is also flexible. The flexibility of this filament actually makes it quite resilient and sturdy. One of the best things about NinjaFlex is that it was designed to facilitate a smooth flow through your 3D printer. That means it won't get stuck or cause a jam half way through your print. NinjaFlex is ideal for 3D printers that can print in PLA and ABS. More importantly, NinjaFlex is optimal for 3D printers with direct-drive extruders. Printing with this filament if your 3D printer has a bowden tube will require very specific fine-tuning. Printers with a bowden tube have a tendency to get jammed while printing NinjaFlex or TPU filaments. That being said it can be done with a bowden tube but we recommend proceeding with caution.

 NinjaFlex is great for creating household goods like phone cases

Print NinjaFlex Like a Pro

We recommend printing NinjaFlex at between 210 - 225°C with a bed temperature of 20 - 50°C. For print speed start off with 30mm/s and adjust it up or down as needed to perfect your print (remember each 3D printer is different and requires slightly different settings).


  • Filament shore hardness of approximately 85A
  • Consistent diameter and material properties provide reliable, high quality prints
  • Patent pending technology allows for smooth feeding
  • Low tack, low CoF exterior allows smooth feed through filament guides
  • High elasticity and excellent abrasion resistance
  • Excellent build platform adhesion and bonding between layers
  • REACH and RoHS 2002/95/EC Directive Compliant
  • Filament weight = .50 kg

Technical Specifications

  • Printing Temperature: 210 - 225°C
  • Heated Bed: 20 - 50°C
  • Printing Speed: 30 mm/s

NinjaTek NinjaFlex SDS

NinjaTek NinjaFlex TDS

Why buy from MatterHackers?

At MatterHackers we pride ourselves on offering friendly service, advice, and support. Our prices are always the lowest in the industry when you factor in our free shipping for every item on the MatterHackers site (including 3D printers). Most of all, our staff is attentive and knowledgeable. They have been 3D printing and using digital manufacturing tools for several years now and are happy to answer your 3D printing questions. Have a question about this NinjaTek NinjaFlex Midnight Black TPU Filament - 1.75mm (0.5kg)? No problem. Feel free to contact us.

In short, the MatterHackers Pros are here to partner with you through every step of your digital manufacturing journey. Additionally, we have all of the 3D Printers, Filament, and Accessories that you could ever need to design anything you can imagine.