INFILL pattern and SHELLS - How to get the maximum STRENGTH out of your 3D prints?

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I tested the effect of infill pattern, infill density and shell thickness on the strength of 3D printed parts! There is too much superficial knowledge around, so I approached it a little more scientific.
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24 фев 2018

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Комментарии : 594

@paulhamacher773 6 лет назад

Aww finally someone who's actually testing different infill patterns and densities!

@CNCKitchen 6 лет назад

At your service ;-)

@hootsmin 6 лет назад

Check out the geometry on this 3d printing from MIT: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-VIcZdc42F0g.html

@legohexman2858 3 года назад

@Dominic Cory Bot

@legohexman2858 3 года назад

@Cristiano Stefan comments

@gilr1488 3 года назад

Cringe 👁️👄👁️

@lumberjackengineering2649 6 лет назад

I love the scientific approach to testing! Definitely one of my favorite things about your videos.

@y.z.6517 5 лет назад

Would you mind to share your figures/graphs? I feel a bit lazy.

@oljobo 4 года назад

It's the filament sellers that dislike 😂

@AlfredoAntonioMartinez 6 лет назад

You are the man! I love your videos because you face the 3d print as a science, not like others that only print stupid things without any sense or objetive, good job Stefan! keep doing that amazing job!

@Gaxa63 6 лет назад

Alfredo Antonio Martinez i

@jakubkabelka 3 года назад

8:24 15% Full Honeycomb, 2 perimeters is stronger than 75% and 30% infills (same pattern, same perimeters) wow, that's impressive. I'm already using from 5% up to 20% only for really sturdy prints. Great video!

@indramal 6 лет назад

Final Conclusion is INCREASE SHELLS AND DECREASE INFILL. How the hell unlike this video? This is awesome.

@appa609 4 года назад

This is not universally true. Very dependent on loading case.

@techlabs9385 4 года назад

What are shells, please?

@Amipotsophspond 3 года назад

over time you also have to account for cats jumping up on the keyboard and clicking dislike on a video, 1 out of 100.

@AIPTutorials 3 года назад

The ones who would dislike the video are working for big-infill. That industry has a lot to lose because of this video. They want to silence the truth! Also, as stated above, cats.

@matthewparsons4955 3 года назад

@@Amipotsophspond ONE SURE FIrE WAY TO (oops caps lock) avoid the problemiiiiiiiiiiiiiiii990kkkkkkkkkkkkkkkkkkk ( ?!@@#! cat) , Get a dog!

@GarranGossage 6 лет назад

Wonderful analysis! It is refreshing to see a RU-vid video with solid engineering/scientific methods and result presentations. Well done.

@Meglification 4 года назад

Being a mechanical engineer by profession I can say that this is what moves 3d printing forward. Thanks! I need to make high strength, light weight parts and this video definetly got me thinking about my design. Especially the possibility to make dual walls at high stress points to add strength while keeping the weight down. More of this please :-)

@AlexandreG Год назад

I know this might struck your ego and sense of self entitlement, but "being a mechanical engineer by profession"(whatever that's supposed to mean) doesn't give you any extra capability to evaluate what moves 3d printing forward. Any 3D printing hobbyist can do exactly the same, but you had to come to the comments writing something to make yourself feel special, I understand, some people are insecure like that 🙃

@ericmanternach2340 Год назад

@AlexandreG And you seem to enjoy interpreting comments ungenerously. Most money spent on 3D printing is by industry, not hobbyists. Mechanical engineers play a significant role in choosing printers and designing parts. Suggesting the perspective of a mechanical engineer is no different than the perspective of a hobbyist is silly. Both perspectives have their value. While you may not like @Meglification 's tone, devaluing their perspective to justify calling them insecure is excessive. And an unreasonable reach.

@AlexandreG Год назад

@@ericmanternach2340 As you might have noticed, I didn't say I'm a mechanical engineer to give value to what I said but apparently the guy is right, some people will just take your word for what it is if you take crtedentials, thanks for showing me. A year ago, me as a mechanical engineer boughta a 3D printer and it was my hobbyist friends who introduced me to it in many ways I didn't even think about, they knew much better than me. And surely they know just as much as me what might move 3D printing forward. Me being a mechanical engineer doesn't make me more entitled to what moves 3D printing forward compared to a person without a degree. Hope you were clarified

@philb912 2 года назад

I love the rigor with which you do the testing. Varying only one parameter at a time. And thoroughly analyzing the results. Great job !

@arthurmorgan8966 3 года назад

At this point I’m thinking Stefan has more hooks than Ikea’s curtains and upholstery section.

@SergioPolimante 5 лет назад

You have one of the best hardcore engineering of 3D printing. Keep it up!!!

@JamesWhite-hg8yg 6 лет назад

Man I love your videos you really go in depth at what your explaining, Keep up the good work!!

@carbide1968 6 лет назад

First time watcher and subbed right away. I love how you get right to the point and appreciate all the work you do in your tests. I just got into 3d printing and was messing around with shells a few days ago on a very small part but it had to be strong so i set shells to 1000, just to insure a solid part. To my surprise it worked great but took a long time. So this video taught me new things.

@PRO3DESIGN 6 лет назад

Another awesome video from you. I really like the content and the quality of your work. I will try to help you keep growing. You deserve many subscribers. Cheers Roy

@alexandrevaliquette1941 6 лет назад

This guy is awesome, I agree!!!

@Pa55ion 4 года назад

Awesome work Stefan. You hit this one out of the ball park. Best Yt channel out there.

@matjolic3321 6 лет назад

Great analysis Stefan! I really appreciate your rational scientific approach in a world where too often speculation is king. Keep up the good work!

@edwardrivas7228 3 года назад

Thank you for the great test results, this is well worth the watch because as a new user this type of testing would have taken weeks, but now I'm convinced that I have a new approach to printing.

@habiks 6 лет назад

Proper tests with proper usable results. Thanks!

@Zeus43full 6 лет назад

That was a very nice test, your video are always of a great quality from an engineering point!

@Nisse977 6 лет назад

I think you make great videos, thanks for that! I almost only print stuff that I use on my car, drone or in my home. So strength is number one prio for me. This video helps alot. I did allways print with 2 perimeters and 100% infill before. Now I use more shells instead and lower infill :)

@philbarnett6045 Год назад

I just found this and it's very good. Thank you for your scientific approach, it really determines what works very quickly without opinion or conjecture.

@antoniorivera7337 6 лет назад

Great video! Thank you for taking the time to do and share this experiments! The results are in some cases quite unexpected. Thank you again!

@JohnOCFII 6 лет назад

Excellent video once again! I appreciate your scientific approach and your willingness to share results.

@OrianIglesias 6 лет назад

Excellent and clearly time consuming tests. Your work is appreciated! Thank you!

@matthewsager925 2 года назад

This is an awesome video that's exactly what I needed to know!

@YOURMOMxo69xo 6 лет назад

Just sub'd. I couldn't click fast enough when I saw the title to this video. Iv'e been hoping someone would do this very same test for a long time as I print almost exclusively end use mechanical or mounting parts. Very thorough, answered all my questions.

@babyhermes2965 2 года назад

Thanks stefan ..old video but really useful to learn something from this channel. Alot better than others! :)

@shirascorella6363 6 лет назад

Your systematic approach is really refreshing. Nice work!

@Snagglepuss1952 5 лет назад

Fascinating, I’ve just started 3d printing and have only fiddled with the settings a little, this gives me an area to work on, many thanks.

@jcsplayroom7587 6 лет назад

most useful video I have ever found in 3d printing.=)

@tomasmiddleton5717 5 лет назад

That was very useful information, thank you for saving me time on doing this on my own

@chrisdixonstudios 3 года назад

Thank you for sharing this knowledge. Your videos are helping me to learn as I enter the world of 3D printing as an old school sculptor.

@waynedollery9946 5 лет назад

Thankyou and what a surprising result. I'll be using this information in my next functional prints. I like that you explained the result and why.

@willbrickner1299 6 лет назад

Fantastic video! Not just speculation, tons of real data collection and actual science! Very thurough! Subscribed!

@tonysplace8009 5 лет назад

Great engineering approach while still being practical....keep 'em coming!

@christopherpacheco7807 5 лет назад

Great quality of video and information. Straight to the point amd very well explained. Subbed 👌

@TheOriginalTanner 3 месяца назад

Best video on the topic. Super easy to understand. I’m going to look to see if you made a video with the updated infills mentioned at the end of the video.

@CindyBardalou 6 лет назад

Very great work. I didn't know your channel. This video was the perfect answer to my question about infill. Thanks a lot

@TylerPilizota 3 года назад

Got into 3d printing not too long ago. Your channel has helped me a lot! Thank you. Subscribed! :)

@sebastianschneider4345 6 лет назад

Awesome. Finally there is a great video on this topic I can share to all those infill fanatics. Big thanks

@Soulkreed 6 лет назад

This appears excellent! Cannot simply wait to see the same as this. Great job.

@KFRogers263 3 года назад

Thanks for the analytical approach!

@Xapalax 3 года назад

Awesome video! Just the right amount of info to deal with real pragmatic situations.

@alexandrevaliquette1941 6 лет назад

RU-vid at it's best!!!

@balthizarlucienclan 5 лет назад

Using all of your tests, you should combine your findings and print a set of test hooks. I would love to see how strong a hook you could make

@sportbikeguy9875 3 года назад

all roads lead to a solid hook lol

@slicedpage Год назад

It took some time, but I got there in the end. Now, I understand exactly what is meant by this video. Not because of its production. It is extremely well made and explained. It is that up until now I did not NEED to understand it. I have been firefighting one problem after another with the belief that if it ain't broke don't fix it. That of course was down to confidence in what I was printing. Now I can experiment knowing if anything goes wrong I can fix it. CNC kitchen has played a big part in building my confidence and I will always be grateful. Thank you, Sir

@GrantCarterBrown 5 лет назад

Thank you for this very useful video. I'm just getting into 3D printing and videos like this are very useful to help me learn :D

@kevfquinn 6 лет назад

Just found your channel, thanks to a shout-out from Angus. Really like your detailed test and measurement approach. On this particular topic, I'd be interested to see how the cubic etc infill patterns in Cura perform - they claim to achieve more consistent strength as they move layer to layer by building a three-dimensional internal lattice. I can see they should be stronger under compression in all directions overall, but I imagine the layer adhesion for the infill itself is significantly weaker when under tension.

@DCDLaserCNC 6 лет назад

Very informative video. Your analysis is very helpful. Thank you for sharing.

@n00dles79 2 года назад

Dude, I am new to this hobby. Thank you. I needed to find this I’m glad I did. The settings in CURA offer so many options and variables. So much to learn. So little time.

@Inspironator 6 лет назад

More please! The infill orientation relative to the load vectors will also make a difference but that is a more advanced topic.

@britishogo 6 лет назад

very useful!!! thanks so much. Love the scientific approach. your explanation is good and easy to understand. Not to technical. thanks

@guslarscheid3606 6 лет назад

Thank you very much for the data! Great video!

@thereverent117 Год назад

dein Kontent ist echt Top. Ich bin mehr oder weniger gezwungen 3d Druck zu betreiben und Deine Videos befriedigen meine Neugier sehr. Danke für die viele Arbeit.

@gabrielhacecosas 5 лет назад

By intuition I was already doing that not to put too much filler but to put more outer layers. now I confirm that I was doing well. Thank you very much for uploading this video

@LuisHernandez-jc2dh 6 лет назад

Thank you very much for this video, it helped me a lot

@YeeKongChan 6 лет назад

You are wise to choose a good model to test both compression and tension stress at the same time. In fact in one of the slow motion video, the crack happened on the compression side first rather than on the tension side as many people would expect. If you could test torsion stress as well then it would be a more perfect experiment. Thank you for your contribution to the 3d printing community. There had to be a lot of effort you gave.

@okayestmedia 4 года назад

thank you for taking the time to do this much needed research

@brunogrimaldi2935 5 лет назад

Nice job testing this out. I've found that if you want strongest part, you have to determine outside forces nature and enviroment first, then select corresponding material (PLA is fragile, so you wont go with it for impact-proof things, for example), then orient your part so that force goes parallel to the shells in most critical part, and then select infill and shells amount.

@forrestberg591 5 лет назад

Amazing video! So in depth, felt very complete, you’ll blow up on YT I’d bet

@matbroomfield 5 лет назад

Excellent video. Incredibly useful.

@louis-ericsimard7659 5 лет назад

This was incredibly useful. Thank you !

@samburgett7309 5 лет назад

Super informative and presented perfectly. Thank you so much. :D

@pabvloc 5 лет назад

amazing job!!! well done!!! I loved what u did :-)

@rafiklam6836 4 года назад

thank you a lot, this is what i am looking for, i hope you can do more video about the filament's use and testing the object not just in traction but also in torsion and fatigue

@HerpyMcDerp 6 лет назад

Very insightful video! Thanks for putting in the time effort and material into this thorough investigation. A look into the cura settings would be very interesting to see as well.

@MarioCamou 6 лет назад

Awesome video! Extremely informative

@giovannilizardii6406 3 года назад

Just what I was looking for, thanks so much

@timix_au 2 года назад

Thanks so much for this research, Stefan. I'm designing a 3d printed C-clamp, and the first iteration would break quite easily if tightened even slightly too far - I increased the number of perimeters from 2 to 4 for version 2, and when I attempted to test it to destruction, it actually crushed a small indentation into the underside of a particleboard table before I chickened out.

@davec3275 6 лет назад

Awesome video! This is something beneficial considering I am starting to print parts that need to be strong.

@rubenmedina1788 6 лет назад

Really good video, intelligence and creativity a great mix!

@dickard8275 2 года назад

The science is why I love this channel

@madkvideo 4 года назад

Great info man! Thanks!

@maximumroc7127 5 лет назад

I'm new to 3D printing. Great video and methodology. I subscribed to your channel.

@djleunam 4 года назад

Great video. Love your content! I would add a comment/reminder regarding part orientation as the biggest factor (before even looking at infills, perimeter layers etc... whenever possible). It might be obvious, but understanding the load path of your designs and orienting the part on the print bed so that the load paths are in the XY plane (continuous filament) is likely the most efficient way to get strength for a given weight. I know it's not 100% the point of the video but it's still a good reminder. You have shown us how anisotropic printed parts are. Learning a lot from your studies.

@racketman2u 2 года назад

agree, and I've found that layer cooling is huge too, particularly when I am printing multiple parts together like these hooks were, and the slicer is making decisions on travel with parts that are being build up side-by-side.

@sheiladyer8389 Месяц назад

hi if you were printing a furniture leg that is round that has an adjustable skrew to adjust the length, would you print it on its side to make it stronger xx

@3DThird 6 лет назад

Wow that was impressive!!! If possible, how about you test the strength of the specimen when using different nozzle diameters? Excellent work Stefan! You have a new subscriber 😀👍

@torymblue2000 5 лет назад

super clean prints! thanks for doing this!

@JS-di9qg 6 лет назад

This video confirms my own research on the perimeter shells. I sliced in S3D and print 3D boat parts for some low load rigging parts and some other areas. They work fine when the part is correctly drawn, load vectors are aligned, rounded edges (sharp edges brake sooner), 20-50% infill (usually triangular), Number of shells (5 is good for this application), material and color (black seems to be the most U/V weather resistant in any one material). Good work.

@damianfirecaster7230 6 лет назад

Great, informative video. Thank you Damian

@NovatoCustom 5 лет назад

Great video again, I like how you explain, thanks!

@android4cg 6 лет назад

This is really great and useful video! Want to see much more such content. Layer adhesion (printing other orientation) and comparing different filaments would be great.

@LJSpit 6 лет назад

thanks for doing the science! Great job. Very informative.

@AuistinPowers 6 лет назад

Great work with very useful information!

@lapidations 6 лет назад

Your videos are the best! I'd like to point out that in Cura 100% infill will actually make as many perimeters as needed to fill the surface, instead of using paralell lines like S3D, so you would get Pisces a lot stronger with 100% infill in Cura.

@RickVanMorty 3 года назад

Wow, great Video... lot of work done here.

@belenhedderich3330 6 лет назад

Excelent! Few technical videos like this one congratulations!,,

@sebastiennoir9758 2 года назад

Excellent video, thanks!!

@TheStangSlayer 2 года назад

Thanks for sharing Stefan, I love the video. I think a good follow-up video to this would be to see how the same approach to perimeters and infill works when printing in a Z axis.

@mauriciopc92 6 лет назад

Very nice comparison! Thanks

@baschz 6 лет назад

Yeey! 'Nornal' videos again! Very informative. Thanks!

@miguelhernandez72 5 лет назад

Your videos are exceptional!

@christianmarkussen6412 5 лет назад

Brilliant video, great work.

@MrReichard 4 года назад

great technical info. Much appreciated.

@rcytb 5 лет назад

Excellent and informative. Thank you.

@ThePsycomac Год назад

Finally! you answered my question, I wondered why my parts were weak even when I printed at 100% infill or with higher outer wall and why my prints failed when the infill and outer wall were too high. For a while I've been printing with 15% to 20% infill and with an outer shell/wall thickness =

@pmm4177 6 лет назад

Awesome info brother! I see so many people cranking the infill up to make stronger parts when they should just increase the wall thickness a tiny bit

@jarrod-smith 6 лет назад

Nice, your approach to the problem does a very nice job of quantitating this and also explaining why it should be the case. I came to similar conclusions that the rigidity of a part is mostly coming from the wall thickness, as long as there is *some* infill to brace the walls. Even parts that have to withstand significant crushing force don't need a lot of infill. I am usually using between 1.2mm walls and 10% infill, to 2mm walls and 25% infill. That's between 3 and 5 outer walls (with a 0.4 mm nozzle), and an infill grid size of between ~7mm and ~3mm. I prefer the grid type infill based on speed. I also use the "connect infill lines" option in Cura. This reduces visibility of the infill lines on outer surfaces, and also helps adhere it to the inner walls, while giving them even more thickness/strength.

@mrjtwill 5 лет назад

Great information. Thank you!

@seekertosecrets 5 лет назад

This is very useful. I'm in the process of making a helmet for a costume so finding out the strength of each pattern was useful. Also, this could be very useful when printing out props as well.

@thunder90pl 6 лет назад

Super cool and useful video, thank you very much!

@kostakigogos 6 лет назад

As has been said your videos are the best when it comes to actually seeing how strong a part or material actually is. I would definitely like to see a test of the 3d infill pattern as that is what I use when I want a part stronger in multiple directions, but I'm not sure how effective that actually is.