Hello 3D TPU Filament - 1.75mm Transparent Red 0.8kg - Cover Expand

Hello 3D TPU Filament - 1.75mm Transparent Red 0.8kg

Hello 3D Hello 3D



Keen to try a fresh new 3D filament, but hate the typical cost? Say “Hello” to Hello 3D Transparent Red TPU Filament, for Cost-Conscious 3D Makers.

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For anyone who loves 3D Printing, PLA and ABS are certainly awesome polymers that can be used to print an incredibly wide range of different parts, components, and even tools if they are printed to a high degree of quality. However, PLA and ABS are still relatively tame when looking at the modern world of Exotic 3D Filaments, and nowadays we have a dauntingly diverse collection of different polymers available to us, with each offering distinct pros and cons, and some even being exclusive to specific brands.

Fortunately, TPU Filament is not quite as wild or exclusive as some of the Exotic polymers on the market, and this is why it’s often the first choice for 3D Makers who are eager to try something new and unique, but don’t want to hassle with the extremely demanding filaments like polycarbonate or nylon. This is why we’re eager to tell you all about Hello 3D TPU Filament, which is designed to meet the high demands of hobbyist 3D Printing, but also the humble budgets of the 3D Makers who enjoy this hobby.

Although we’ve seen and experienced a lot of different filaments in our lives here at DIYElectronics, we are simply ecstatic about this new Hello 3D Transparent Red TPU Filament, since transparent TPU is a relatively new product to the market, and produces some very interesting results, which of course can be emphasised with different infill percentages and patterns. And while we would typically suggest red to be perfect for Valentines Day gifts, Christmas presents and fun objects, this transparent red is quite unique and so far we’ve had fun printing a wide range of different objects – both functional and just fun. So if you’re looking for a truly unique filament that’s not just bendable and durable, but also offering a cool new transparent colour for flexibles, you can’t go wrong with this Hello3D Transparent Red TPU Filament!

Compared to the large majority of filaments that have been growing in popularity over the last few years, TPU is unique in the way that it is highly flexible, capable of bending without permanently deforming or snapping. This is almost the opposite of other filaments, which are typically designed to maintain their shape with reasonable hardness and rigidity, opening up fresh new opportunities for printing both fun and functional prints. This flexibility also offers pretty awesome mechanical properties too, and the flexibility also helps boost the durability of the parts dramatically, enabling the printing of functional parts like phone covers or robotics wheels, fun toys like wiggly-worm keyrings or desktop catapults, as well as for decorative pieces like fake plants, fashion accessories or even Decorative Moving Jellyfish if you’re feeling adventurous.


Hello 3D TPU Filament  -  Technical Specifications:

  • Brand                                             

Hello 3D                                                                  

  • Base Polymer

– Thermoplastic Polyurethane (TPU)

  • Polymer Additives

– N/A

  • Filament Diameter

– 1.75mm

  • Density (g/cm3)

– 1.12

  • Elongation at Yield (%)

– 52

  • Elongation at Break (%)

– 500

  • Filament Weight

– 0.8kg


Hello 3D TPU Filament  -  Suggested Print Settings:

  • Nozzle: Temperature (°C)                      

– 190 to 220                                                                

  • Nozzle: Material

– Brass / Any

  • Nozzle: Size (mm)

– Standard: 0.4mm | 0.3mm Minimum

  • Bed: Temperature (°C)

– Off / 30 to 65

  • Bed: Adhesion

BuildTak / Magigoo Original / Gluestick on PEI / Glass

  • Printing Speed (mm/s)

– 5 to 35

  • Part Cooling Fan (Strength)

– Medium to High

  • Part Cooling Fan (Quality)

– On from Layer 2+

  • Enclosure: Type

– Not Necessary

  • Enclosure: Temperature (°C)

– N/A

  • Filter

– N/A

  • Post Processing (Optional)

Priming & Sanding | Heat-Smoothing | Heat-Annealing


Helpful Tips for Printing with Hello3D TPU Filament:

3D Printing with the highly flexible TPU polymer is a fun, yet potentially difficult task, but is not quite as difficult as many of the popular sources would have you believe. It may certainly take a little bit of trial and error to get just right (and some patience too), but the results are incomparable, and no other filaments can achieve the same unique properties that TPU and TPE can.

However, if you really want to get the most out of your TPU prints, and enjoy durable and stretchy filaments that really add a whole lot of character and fun to any design, we always recommend finding as much information as possible, which is why we’ve got this awesome collection of external research for you:

  • TPU Printing Tips – The Infamous Direct Drive Myth: If you’ve ever done research on or have investigation the exciting but often-tricky TPU filament, you will have certainly seen at least one resources suggesting that TPU printing is impossible with a Bowden setup. However, while this used to be true in the past, this is no longer the case with the more recent models and iterations, and modern Bowden-style desktop 3D Printers now offer a far more constrained filament feed-path, making them more than just capable of printing with flexibles, with some 3D Makers even suggesting that it’s a better setup compared to the older direct drive setups. So if you’re a proud owner of one of the many Creality 3D Printers since as far back as the Creality CR-10S model, you can rest assured that printing TPU is definitely a possibility that you can enjoy, opening up many new opportunities for printing unique, exciting and memorable 3D prints.

  • TPU Printing Tips – Speed Kills (Good Prints): When dealing with a new filament (or even one that we already know) it’s always tempting to try to print it as quickly as possible, since time is money and the majority of us are cost-conscious 3D Makers. However, printing TPU too quickly is the easiest way to kill a good print, since TPU demands substantially lower speeds than standard polymers like PLA. This is primarily due to the high level of flexibility and the ability of the filament to compress and stretch, which can easily lead to clogs and other problems as the filament bends over itself and tangles within any open spaces it can feed. This is why it’s important to print slowly, allowing the filament to steadily move without too much speed-related friction, encouraging it to behave nicely and avoid bending or tangling between the filament drive gear and the nozzle.

  • TPU Printing Tips – Retraction & Backpressure: In a very similar fashion to the previous tip, it’s important to also get right is retraction and backpressure, since flexible filaments tend to have a slight amount of delay when moving within a constrained filament feed-path. This delay is caused by the compression and expansion of the filament in conjunction with the high levels of friction against the walls of the feed-path, and is precisely why you want to minimise retraction distance and speed by as much as possible, wherever possible. With a high level of retraction, the push and pull action on the filament can happen too quickly, and if the TPU is still hot when this happens, it can easily get stuck along the walls of the cooling tower or Bowden tube, leaving inconsistent chunks that can result in clogging or oozing. Of course, retraction is a lot more complicated than many other settings on a 3D Printer, so be sure to prepare yourself for a bit of trial and error when you get started printed with TPU, and consider even leaving retraction off until you have all of your other settings dialled in just right – then move on to experiment with how retraction can improve your results.

  • TPU Printing Tips – Keeping Your TPU in Tip Top Shape: With most of the common filaments like PLA, ABS and PETG, keeping them stored safely and out of reach of humidity and moisture is not too vital, as most of those filaments are relatively neutral in terms of how easily they absorb moisture from surrounding environments. With some filaments, however, such as TPU and Nylon, it’s imperative that you always try to keep them as isolated from humidity as possible. Of course, you don’t necessarily need to invest in expensive (and often unnecessary) specialised filament drying containers, but it is a good idea for get yourself a nice container to keep filament in, and then simply throw any spare sachets of desiccant (Those small silica gel packets you get with new shoes) into the box to remove excess moisture from the small space. This will help keep your TPU filament safe from moisture, which will prevent any bubbling or weaknesses in the filament as it’s being printed.

As a final note, it must be said that TPU, TPE and other Flexible Filaments are some of the more difficult polymers to print with, so it’s important to go into this with an open mind and a willingness to learn from mistakes. However, with that being said, modern machines like the Creality Ender 3 Pro and Creality CR-10S Pro V2 have made printing with TPU so much easier than ever before, and with a bit of trial and error (and patience) you can easily learn to create your very own flexible keyrings, desktop toys, cable holders and even shoes!


Additional Resources for 3D Printing TPU:

If you’re still eager to learn more about the intricacies of 3D Printing with TPU, and want to sink your teeth into more knowledge to arm yourself with information to help you succeed with this tricky filament, we’ve got you covered, and we’ve taken the time to collect together some of our favourite resources, guides, tutorials and discussions on this matter. Each of these offer some unique insights that can help you not only achieve success with this awesome 3D Filament, but actually help you troubleshoot problems, figure out what exactly is going wrong, and then prevent those problems from happening in future prints. Just remember, however, that each of the following resources will have their own unique take on printing TPU, and may have used different brands or colours in their tests, although they can still offer great assistance if you’re running into troubles, or are just looking for further information over and above what we’ve provided:

  • This insightful Pinshape TPU Filament Best Results Guide is an excellent resource for anyone to being with, offering loads of great information on TPU, and discussing some of the main challenges that newcomers experience when trying out TPU for the first time.

  • The second resource to make this list is the MatterHackers flexible Filament Guide, which covers both TPU and Soft PLA, and caters to a lot of factors ranging from print settings to filament storage – also having similar opinions about the classic TPU Filament Direct Drive myth.

  • Third on the list is the ever-famous Simplify3D, offering their succinct but highly informative Simplify3D TPU Printing Guide, which caters to both newcomers and veterans, with a few sample projects along the bottom to help you troubleshoot with more clarity.

  • Finally, this Prusa Printers Blog TPU Guide is a truly expansive and valuable collection of information about 3D Printing with TPU, offers details on what the polymer is made of, what TPU is most commonly used for in 3D Printing, as well as what kinds of problems and solutions you can expect when starting out with this tricky filament.


Colour Red
Special Transparent
Plastic Type Flexible
Plastic Diameter 1.75mm
Plastic Weight 0.8kg

Hello 3D Filament Specifications

Hello 3D Filament Specifications Sheet

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Hello 3D is an awesome brand that hit the ground running back in 2012! While they’re still somewhat unknown outside of China, they boast an impressive resume of being the first in China to produce Frosted Bronze, Silky and Conductive Filaments – all of which are produced to a high degree of quality, while maintaining competitively low prices. 

 Despite their lack of brand recognition outside of China, Hello 3D have continuously strived to bring fresh new ideas and innovation to an industry that is already very innovative, and have slowly been garnering worldwide attention not only due to their incredible range of Classic Filaments, Exotic Filaments and Semi-Exotic Filaments, but also due to their fantastically low prices that a large majority of manufacturers simply can’t compete with.

From an awesome range of PLA and ABS Filaments, through to semi-exotics like their iconic “Real-Gold-Like” Filament, as well as some magnificent True Exotics like Frosted Bronze, Frosted Copper, and what may arguably be the most exciting of all: the Tri-Colour-Change Lava Filament!

If you’re looking for excellent quality 3D Filament that is complemented by enticingly low prices and an enjoyably easy user experience, then Hello 3D is certainly the brand to choose.