Cloudshield - Free 3D Print Model

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CloudBerry

Hobby & DIY>Sport & Outdoors

IP Report

GIF

Print Profile(1)

All

H2D

H2D Pro

Cloudshield_helmet&accessories_H2D_0.4_TPU95A_TPU90A_PETGCF

Designer

41.1 h

2 plates

4.1(7)

Open in Bambu Studio

Boost

708

1150

108

937

Released

Bill of Materials

Bambu Filaments

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Black (51100) / Filament with spool / 1 kg

TPU 95A HF

Black (31100) / Filament with spool / 1 kg

PETG-CF

Description

A Little Announcement (Here for a Short Time):

My crowdfunding project Brick berry+ has officially entered the pre-launch phase on Makerworld! You can check it out and follow along here:
https://makerworld.com/zh/crowdfunding/43-brick-berry-a-playable-footwear

There will be a special surprise for followers of this channel when the project goes live—stay tuned!

Disclaimer

The bicycle helmet has undergone and passed the tests related to stability, strength, impact absorption, and field of vision as specified in GB 811-2022 (which is equivalent to EN 1078). The test is sponsored by Makerworld, and the report has been uploaded to this model profile.

However, as this helmet is downloadable and individual users can print it with their own choice of filament and printer, neither I nor MakerWorld can guarantee the safety of any individual helmet printed using this file. Printing or using this helmet is at your own personal risk. The testing report is only applicable to helmets printed with the correct filaments and under perfect printing conditions. It serves as a reference for the safety of this design. This project merely demonstrates a design process that extends the capabilities of FFF printing.

Introduction

Cloudshield is (most likely) the world's first bicycle helmet entirely manufactured using FFF 3D printing technology—from the shell and inner liner to the buckle and strap system—and it passes safety impact tests. Printed with the Bambu Lab H2D, the combination of PETG-CF and TPU-95A extruded by dual print heads ensures a perfect balance of comfort, lightweight design, and durability. The 3D-printed construction distinguishes it from traditional vacuum-formed or injection-molded helmets, while the metallic-finish surface ensures you stand out in any cycling group. The H2D’s die-cutting module allows you to create reflective stickers tailored to the helmet’s curved exterior, enhancing nighttime safety. You can also design custom reflective stickers in the Bambu Lab Suite, then use the H2D to cut and apply them, transforming the helmet into a uniquely personalized product.

Scaling&Sizing Guide

Cloudshield is designed for standard adult M-size helmets (head circumference: 57-58 cm). To scale the model according to your head size, uniformly scale all components using the ratio: (Your head circumference ÷ 57)² × 100%. For example, if your head circumference is 61 cm, the scaling ratio would be (61 ÷ 57)² × 100% = 114.53%.

Here's a reference chart:

Head Circumference example (cm)	Helmet Size (General)	Scaling Ratio
51cm	XS	80.06%
55cm	S	93.09%
57cm	M	100%
60cm	L	110.80%
63cm	XL	122.05%

Recommended Filament & Printing Tips

It is recommended to use BambuLab PETG-CF and TPU-95A HF to achieve a balance between printing speed and product performance. If you also have TPU-90A, you may use it alongside PETG-CF to print the straps separately, which will simplify the assembly of the straps to the helmet.

Tips: When printing with the BambuLab H2D extruder, ensure the left extruder is used for PETG-CF and the right extruder for TPU-95A HF (consistent with the print configurations I provided).

Assembly Guide

If you printed both the helmet and straps using only PETG-CF and TPU-95A HF (without additional TPU-90A for straps), all parts can be printed together on Plate 1.

Attach the strap labeled "L" to the mounting slot on the left ear-like structure of the helmet, and the strap labeled "R" to the right side. Align the starting end of the strap with the slot and firmly snap it into place. This design is rigorously tested and secure—no adhesive is required. To replace a strap, reverse the steps to remove the old one.

After attaching the straps to the helmet, connect and lock the straps to the buckle as shown in the diagram below.

Alternatively, if you prefer fabric straps, Plate 2 includes spare mounting slot parts (without TPU straps) for customization.

Reliability

The bicycle helmet has undergone and passed the tests related to stability, strength, impact absorption, and field of vision as specified in GB 811-2022 (which is equivalent to EN 1078). The test is sponsored by Makerworld, and the report has been uploaded to this model profile.

Disclaimer: The testing was conducted only on the uploaded print configuration, print with bambulab PETG-CF and TPU 95A HF. Using different materials or modifying the print settings may compromise the helmet's performance.

Some photos of the testing process:

Boost Me (for free)

helmet

bike accessories

Documentation (1)

Other Files (1)

GB 811-2022 test results.pdf

Comment & Rating (108)

@itl2813

Which safety tests has this passed? Specifically which ones, and which institution performed these tests? Post the results. Simply saying "This design is rigorously tested and secure" is not sufficient. Wildly irresponsible to not have a massive disclaimer that this is not an approved safety device and cannot guarantee your safety. Even if the designer made one which passed CPSC standards (In the USA), there is absolutely no simple way for other users to print the file and be certain that their result is the same as the unit which was crash tested. Layer adhesion is not created equal, filaments are not created equal even from the same brand, contaminants are different from day to day, machine variation and errors may cause critical dimensional flaws, etc.

@benfriesen

100% agree. Presenting the helmet in that way in the ad and here is incredibly dangerous and irresponsible.

@Jerrodh

Agreed -- this is a terrible idea. I worry that including this application in the large-scale marketing campaign for the H2D gives newcomers to 3D printing an inappropriate and unsafe expectation for its potential overall. I am a devout hobbyist and generally an advocate of unique applications for 3D printing, but as advocates we have to be willing to say when it is NOT an appropriate tool for the job. And this is about as BAD an example to advocate and advertise for as I can imagine.

(Edited)

@itl2813

Replying to @Jerrodh :

I also want to add that I don't think 3d printed helmets in general are a bad idea (when done by certified companies). I do think its a bad idea when performed by any number of random people with the money to buy a printer. As far as I know, the standard this was tested to (GB 811-2022) is not as rigorous as US or European standards. Further, I don't know if this test was performed in an accredited test facility or just this guy's hobby workshop. Happy to be proven wrong there, but even so that would overlook the point that one 3d print does not equal another hobby print. Some random Steve likely does not have the ability to do non-destructive testing to check their print vs. some hypothetical perfect "master" print. LOL, user Sparco down there blocked me and I didn't even say anything to them. Hey if you see this dude, its not too difficult to read comments before yours that the disclaimer was added after being called out.

(Edited)

@Feynmaann

Curious to see how this would test in the Virginia Tech helmet testing lab. I love 3D printing, but putting your life at risk with a helmet is no joke...

@smart

Yeah… I think that would be cool, but it depends on what filament you use

@Feynmaann

Replying to @smart :

TPU

@DogBark

Boosted

This is the balance between being a maker and buying a product. Personally, I wouldn't trust my brain to a helmet that I printed, but I think this is a phenomenal demonstration and they did their due diligence. If you want to print one and have it certified, you need to have your own personal print process certified. Bambu can't do it for us, because we have access to the system. Even if they lock the device, we can change out parts. An off-brand extrusion gear would decertify the helmet. So would the wrong nozzle, material and plate. Those things aren't controlled by BambuLab. I may sound like I'm putting them down, but that's the opposite of my intent. This is incredible work and I think that the creator and MakerWorld should be proud of what they've accomplished.

@riko.the.fiasco

For the sake of your safety, do NOT print this helmet. Whether or not CloudBerry has done their “due diligence” testing this helmet doesn’t matter. They’re not making the helmets - the end user is. They’ve effectively turned us into test dummies. This is woefully irresponsible, and the same goes for BambuLab endorsing it.

@Josiahs3DP

look at the description

@riko.the.fiasco

Replying to @Josiahs3DP :

They didn’t put that up until after they were called out, and my point stands. They’re divorcing themselves from culpability by placing it on the user.

@chengxu.zhou

Boosted

Replying to @riko.the.fiasco :

Just the report comes in late, but he literally mentioned in the original post that this thing passed impact test.

@user_643736929

if u fall on your head mountain biking ur head would be ULTRA cooked

@Feynmaann

Lmao I was using a decent helmet with MIPS when I broke my elbow + moderately concussed myself mountain biking. This thing would have literally KILLED me 😂

@user_643736929

Replying to @Feynmaann :

ouch!

@zacharydavis

Replying to @Feynmaann :

maybe you should get better at mountain biking. :)

@3DVS

I deem it irresponsible to publish a helmet model here You are playing with people's lives

Show original

@user_643736929

yass

@slingblade333

Boosted

FIRST, thank you for the effort in designing this helmet. I've already received the filaments, and am just waiting for the H2D to get here! As an X pro cyclist, this helmet will more than suffice in just about any situation, as good as any ANSI approved helmet. I was involved with a helmet design back in the 90's and the requirement was nothing more than dropping a weighted ball from a certain height to see if the helmet cracked. I've watched dozens of pro bike racers drop or hit their helmet and use it the next weeek....none of them died! This 3d printed helmet, is still a thousand times better than no helmet! I raced in the late 80's when the pro's wore no helmets, no one died from not wearing a helmet. To be clear, most helmets until recently, were nothing more than a glorified styrofoam beer cosy. The helmet manufacturers only too happy to tell you how much tech had gone into their glorified beer cosy. To put this all in perspective..........Nearly all fatalities on a bike, involve a car, regardless of helmet!

@zacharydavis

I agree very much. But @Pirateer "Mr board certified safety professional" thinks otherwise. I think this is a personal choice if you would want to wear this helmet, and I am printing it because I'm also not worried because I don't crash my bike. :)

@ProtoSpyreLLC

This doesn’t seem like a good decision to advertise as a useful or safer alternative to a real helmet.. if there’s any voids or defects in any layers the entire design is flawed and the integrity compromised. This photo shows a defect in a few layers which would be the weak point and area could break and become sharp.

@user_739406424

Yikes. At the time I'm leaving this comment, the only caution from the designer in the page above is: "The testing was conducted only on the uploaded print configuration, print with bambulab PETG-CF and TPU 95A HF. Using different materials or modifying the print settings may compromise the helmet's performance." That info is necessary but far from sufficient, especially because some people reading this page will be new to 3d printing. I strongly suggest at least adding something like, "For entertainment purposes only. My print passed a safety inspection, but I make no claims that your print will be safe even if you use the same settings and materials, since it will also depend on filament condition, machine condition, ambient conditions, whether you've made errors due to being inexperienced with this machine, and perhaps other factors as well. If you are truly concerned for your safety, buy safety equipment from an experienced manufacturer who inspects manufacturing materials and equipment regularly and knows how to tell when tiny manufacturing flaws occur." I don't know whether adding words to that effect would give you a stronger case in the event you're taken to court in a wrongful death suit—I'm definitely not giving legal advice!—but I believe it would be more moral, at least.

@user_739406424

And now the designer *has* added a warning, and even put it in red. Much appreciated.

@zacharydavis

I can see there are a lot of comments in here regarding the helmets safety but I will say not many people know this but helmets are actually supposed to be breakable because if you crash on a bicycle and your helmet is super durable and not breakable, the impact of that crash will go to the head and brain, leading to life threatening injuries. I think this helmet would be perfectly good and I am going to print it because I frequently go on 20 mile rides and I haven't crashed my bike in two years. Helmets are not supposed to be super durable and rock solid but this design I am totally using and supporting! And to the people who were arguing about the safety, maybe do some research because don't ask but I've done two essays on helmet safety. So, maybe do a couple of hours of research.

@Feynmaann

There is so much wrong with this comment, holy crap. It seems that YOU need to do the research. I hope you don’t crash with this thing on.

@zacharydavis

Replying to @Feynmaann :

Research? I've done countless hours of research. And respectfully, who the fuck asked you?

@zacharydavis

Replying to @Feynmaann :

tell me what's wrong bud.

@KLLaRA

I would like to briefly comment without making accusations. The idea is excellent, and if even just one helmet enthusiast puts this thing on their head, it's already 100% better than a baseball cap! FACT! But this is a space for makers, creators, originators. We are mostly over 14, most probably also over 16 or 18 years old. Many want to be able to "operate" a car, motorcycle or something else. Children of 10 take a bicycle license in Germany (it's a comprehension test without the right to a 'license') and they already understand what a CE mark is. Everyone for whom their life and physical integrity represent a concept and a value should simply decide for themselves how to handle it. Let's look after everyone under 14 (they can't understand this immediately), point it out to everyone up to 18 (that's been done), and everyone over 18... You have something called a head, use it! I printed it. It feels sturdy. It's a great go-kart helmet in the garden! I wouldn't use it on a bicycle. But hey... I'm over 18 (a few days over) and would NEVER think of condemning it. Let others have the freedom to make decisions, whether clever or not. Or do we really want to force everyone to print coffee cups with "Caution: Coffee may be hot" and flower pots with "Not suitable for consumption"?

(Edited)

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@Feynmaann

I'm sorry, but this is a bad take. You're much safer buying a $20 helmet. You need to understand that there are multiple safety tests that are conducted when assessing a helmet, and OP's was only certified for a single impact test. Age really means nothing. I'm sure there are 14 year olds who wouldn't touch this with a ten-foot pole, and there are fully grown humans over the age of 30 that think this is an excellent idea. I agree that this is a space for creators. There's no reason why we can't chat about a design like this, particularly one that's *typically* engineered to prevent a TBI.

@KLLaRA

Replying to @Feynmaann :

Thank you for your feedback However, everything you wrote corresponds EXACTLY to what I wrote A: You are significantly safer with a $20 helmet That's correct, and that's exactly what I wrote The idea is brilliant, and if even just one helmet skeptic puts this thing on their head, it's already 100% better than a baseball cap! FACT! So you also believe that no helmet is bad and that even $20 junk from the Wall-Mart is better… Thank you for supporting me B:I also think it's great that you see it this way, that thinking people make good decisions Age is truly irrelevant I'm sure there are 14-year-olds who wouldn't touch this within a meter and adults over 30 who think it's an excellent idea C: We can talk about anything There's no reason why we can't discuss such a design But what is it then but that's a poor assessment && especially one that is *generally* designed to prevent skull-brain trauma Anyone who thinks you can save the world with "Caution, hot coffee is hot" … How stupid do you think the people here are? This is an experiment, nothing more and nothing less The maker tested it and also presented it It doesn't say anywhere that it's great It doesn't say that it should be replicated All users who are not from Finland or Malta (in parts also from Spain and Slovakia) do not need a helmet So the recommendation here should be For safety reasons, this helmet has no certification … wear a baseball cap, it doesn't need one AGAIN All adults decide for themselves We look after our kids DONE

Show original

@Feynmaann

Replying to @KLLaRA :

😂

License

This user content is licensed under a Standard Digital File License.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.

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