The strongest hook wins a $1,000 3D printer! 💪
HTML-код
- Опубликовано: 11 сен 2020
- Win a $1000 3D printer and 20 rolls of Polymaker material by designing the strongest hook and printing it out of PolyMax PLA. Polymaker is currently hosting a contest and wants you to design the strongest hook, following some design restrictions. Let me quickly tell you about the contest, how you can enter and what we can learn for rock climbing equipment to create the strongest hook!
Info about the contest: polymaker.com/3d-printed-hook...
Website article: www.cnckitchen.com/blog/how-d...
3DMakerNoobs video: • How Strong Can A 3D Pr...
💚 Support me 💚
Patreon: / cnckitchen
Join as a RUclips member!
Original CNC Kitchen Threaded Inserts: geni.us/CNCKInsertsChoice
Merch: teespring.com/stores/cnckitchen
Buy an Original Prusa i3 printer: geni.us/CNCKPrusa
PayPal: www.paypal.me/CNCKitchen
Shop at Matterhackers(US): www.matterhackers.com/?aff=7479
Shop at 3DJake(EU): geni.us/zHvnB
🤑 Interested in the filaments?
PolyMax PLA (aff): geni.us/QuAzbvf
🎙Check out my PODCAST with Tom Sanladerer
/ @themeltzone
🎥 Related videos:
Polymax VS Polylite: • How much STRONGER is P...
PLA vs PETG vs ASA: • The BEST 3D printing m...
Annealing PLA: • Strong 3D prints throu...
⚙ My gear (Affiliate Links):
🎥 CAMERAS & LENSES
Panasonic GH5 - Professional 4k60 camera: geni.us/LMN0CmS
Panasonic GX80/GX85 - Great value system camera: geni.us/M2Sm
30mm f2.8 macro - Great Macro Lens (80% of my videos): geni.us/vEwqD
10-25mm f1.7 - Awesome Lens: geni.us/ZTBH
12-35mm f2.6 - Great Allround Lens: geni.us/S9GOsr
14-140mm f3.5-5.6 - My go-to travel Lens: geni.us/fSAyKo
25mm f1.4 - Nice prime for photography: geni.us/mqWM
🎙AUDIO
Rode Video Mic Pro - Shotgun mic: geni.us/6JFRdJ
Rode Film Maker Kit - Wireless mic: geni.us/XMD2N
Rode NT-USB - Studio Mic: geni.us/YVONvy
🔴 LIVE STREAMING
Elgatoo Stream Deck: geni.us/ppIiAL
Elgatoo HDMI USB Capture Card: geni.us/imhD
Logitech C920 - Overhead camera: geni.us/ViVgB
Follow me on Twitter: / cnc_kitchen
Follow me on Instagram: / cnckitchenyt 
Наука
Don't forget to share this video on Facebook, Reddit, Twitter and other social media!
What counts as breaking?
Two hooks will always be tested against each other. The one that fails first is eliminated.
You specified it was for amongst others people from EU. Did you mean all europe or only EU?
@@NorwegianCrazyGuy I guess that as long as you ship your hooks to one of their hubs then its fine.
Hi Stefan, so wie es aussieht werden maximal die ersten gültigen 256 Haken angenommen, der Rest hat Pech. Da es schon seit 2 1/2 Wochen läuft, sollte die Zahl doch wohl schon erreicht sein, oder verstehe ich etwas falsch?
so we have this technology that allows us to email plans of a physical product to be printed in location avoiding all the waste involved with shipping, and a company involved in the industry asks you to print the parts and MAIL it to them? 😅 I know I'm being an ass for pointing out the irony but I found it funny
No, you're not being an ass. It's a scheme to sell filament, plain and simple.
If they wanted to make this fair, they'd accept the STLs with print settings, print them all with the same filament batch on the same printer.
@@BRUXXUS I think allowing people to print their own hook gives more liberty to really care about how to print it to make it really strong. Sending out the settings is not very reliable (I think)
However I agree with the irony cuz well... its digital manufacturing lol
The irony is people whining when someone offers a chance to win a prize by following a simple set of tasks.
@@philr6829 I understand the rules and why they're doing it the way they are, it just feels a little.... icky.
@@philr6829 How's that boot taste ? Need a little salt and pepper there ?
Well, that's an interesting marketing move. Let's not do the math... But it's so generous of you helping 3 people to enter! Way to go.
It's about 70 spools (did a quick calc before reading your comment) worth of prizes. They are accepting 128 entries, I don't know what the profit margin is per spool but if it's higher than about 45% they make money.
colin young accepting only 128 entries is pretty rough. It wouldn’t take much brains for an entrepreneuring turdstick to enter 127 times using really crappy designs and fake details, and then once with a half decent designs. If they sent them in quick, using a courier for the first and then a less priority service for the rest of the entries, they could game the system and guarantee a win.
Then again, the cost of postage for 128 packages and the filament used for the prints.... it’s not worth the effort of the scam... unless it’s the prestige that your after.
The Talent no
only 128 entries globally? that's soo low
Apparently they are now accepting up to 512 hooks and will increase for each 2^x threshold reached (most likely to get a complete single elimination tournament brackets)
if they get 256 they will do 256
Somehow I only saw this now, so yeah, so much for being able to try this :/ Though as someone else mentioned you have to buy their filament, pay for shipping and also ship the hook.
I would've participated if I don't need to buy their filament and ship it to them.
Well, I guess this is the point...
@@robertneumann9352 I dont think this will have any significant influence on filament sales. Especially with those requirements.
yeah and this video is 2 weeks too late. I don't follow polymaker so I had no idea they were holding a contest.
Yep, turned me off immediately. €44.95 for 750g and OOS at the moment, that gets a hard pass from me.
@UberKrassMann It's almost as if not participating is an allowable form of action, and stating the reason is too.
I think it's more fair if they print all designs on their own equipment. Rules out printer variables.
I think they left two doors opened for people to play with: 1) Design 2) Printing
Some people are good at design, some at printing, so I think the choices for the tournament is pretty cool :)
Polymax PLA is expensive AF :(
Poly is greek and means much/a lot. They should rename it into Polyexpensive PLA ;D
I disagree with your comparison. You can get a "F" for much less money...
It would be fair if we just send stl files to them to do all printing and testing, by the way how can they tell if i anneal my hook before send?
By sending an stl file you wouldn't get all the parameters the same and would take a very long time to get everything correct even for 1 print. Some parts of the filament could have 100% infill, others could have increased parameters etc.
$40 per spool, lol yea right
Not sure if I can beat the german efficiency with hooks here. Very interested on seeing if people might come up with some new ways :)
German engineering is the best on the world
@@luisalonso2362 true
Thx
@@luisalonso2362 Dankeschön
I would love to do this but it would be impossible for me to get the filament, design it, print it, and mail it before all the slots are filled
From the article they are now accepting more hooks :)
"If we have another 128 hooks that meet the requirements, we will do a bigger contest and include them all."
You could start your own competition without material limit. Maybe just reduce max mass so your machine can measure it.
I'm gonna print it in titanium
@@logitech4873 I'd print my own CNC printer. Where the (enormous) nozzle doesn't run on filament but gets directly fed with climbing hooks.
that's a bit useless
why would you want to win a 3d printer if you already have one to print out the hooks? i think they should just accept print files as entries
Im not against having more than one 3D printer haha
And I think files as an entry would only make sense if they would block people from using smart slicing ways to get stronger hooks :)
People like multiple printers, also some people want to upgrade if they have an ender 3 or some of the other budget printers out there. Also you get 20 free rolls of polymax which will cost around £800 alone. That's around £1600 worth of stuff for free
@@benclimo461 Actually its 20 spools of your choice haha so you can go crazy :D
@@3dprintingscience528 oh even better! Time to get 20 spools of PEEK 😂 I doubt that's included.
lots of people have access to printers through schools and libraries.
Wow. On top of the fact that, as others mentioned, there's quite a chance that my hook will not even be looked at as there's not much time left for the contest (i still have to design my hook, order my filament, wait for it to arrive and do three succesful prints), that filaments costs €45 for only 750 grams, shipping not included! Even for good quality PLA, that's just way too much. I won't be entering. I can order a full kilogram of some very fine PETG for only half the price (Bandit 3d filament) and some good brand PLA 750gr for €25,95 (BASF).
The same competition was held in Austria last year by Profactor. I visited a HTL, which is a school that is a combination between a techincal college and a high school, at this time. We competed with one team from our school. With a heavily optimised hook we manged to handle over 100kg more force than the second team. The competitions seems simple but if you think creative you can handle a lot more force than you think at first.
Biggest problem is to exhaust the rules without getting disqualified.
The problem boundaries are quite vaguely defined imo.
so you already need a whole bunch of stuff and knowledge, to be able to win a printer, which i wanna win, bc i dont have one, so i cant compete... nice contest ..
I think I'd modify the carabiner style hook to ensure that both of the "legs" are as much as possible in line with the fixtures of the tensile tester. Is there any limit on how short the hook must be? Because it appears to me making the hook shorter will also give you more material to "spend" on thickness.
Nope nothing. Just the the metal s hooks must go though. So yeah make it so that the hooks just barely fit trough and then spend the rest on thickness .
Good idea, I think the shorter the better!
@@3dprintingscience528 That´s not what she said... ^^
@_ David _ 8mm. So you only need really small hooks
My thoughts exactly!
Nice video! The graph at the end contains Failure Load units of KN. Should it be N, or are your prints just crazy strong?
Oh, that's correct 😅 Thanks!
could you post the results of the competition ?
If they tought I would buy their filament in order to participate to their contest, they are wrong...
Thumbs up if RUclips's algorithm has suggested you this challenge exactly ONE second after the deadline!
How useful !!!
I wonder if there would be a clever way to pre-stress a part so that when the load is applied, the internal stresses partially cancel out with some of the load, increasing the threshold for the load it can withstand.
Yeah there is. If you think in 3D. You can design it so the bending moment of the hooks basically completely get absorbed. Just print the latching part twice stacked over each other with a small gap in between, so that there is no hard connection, thus having it technically open. In that case the one part tries to push out and the other part tries to pull in. This will result ins some torsion but thanks to a much wider are that is not a problem in my fem analysis.
The only question is if the layer strength of the 3D print is big enough but that should not be a problem.
I mean you wont be able to open the ring but you are also not with the design that he showed here. So technically it is closed, it basically behaves closed but it is open. If you have a printer with dissolvable support you can easily build something like that and 0.2 mm between the different layers. And basically you have a solid ring in the end.
Then add some cross braces internally, just leave 0.2mm there as well and design matching cavities. That way it also is technically open and not closed and you can get a lot of strength. My fem analysis showed that it can bear much more load than even a solid ring.
In order to make something with the strongest strength to weight ratio, the approach is to design the geometry to have uniform stress throughout. I.e. no portion of the loaded geometry is at a higher stress than any other. This way, as the stress approaches the yield stress, no material is under utilized. This approach is what topology optimization is all about. Pre stressing is only a good approach when you have multiple materials and you want to transfer some of the strength of one material into the other material. For example if you compress your "hook" with a metal bolt. Then as the hook is loaded, the bolt stress increases, but the compression in the plastic hook actually is relieved before it starts to be under tension. In this case, ideally, the bolt and plastic would, again, reach their yield stress at the same time for ultimate strength.
I have to hooks in mind one shaped like $$$ the other like €€€, maybe I shouldn't exclude £££ but it got a kind of closed loop.
Not going to participate since they want you to purchase their filament...
I think there is not much else they can do to create minimum fairness :)
@@3dprintingscience528 They can accept design entry and print all with equal settings on the same machine with their filament.
@@Audio_Simon yeah thats true, but then it would only be a contest on geometry.
I do like the fact that they open the printing side as well.
(There is a lot of tricks to print the same geometry much stronger with the right printing conditions :D )
@@3dprintingscience528 And then? You send the hook in via mail?
How will they test it?
If I ship it non vacuum sealed it will be more brittle than other contestants pieces when it arrives.
Even with the same material it is not fair and yes - you need a printer to win a second printer. Bullshit contest. I stick with my TEVO LM.
@@NicMediaDesign I guess this contest cannot please to everyone :)
Still im so looking forward to Stefan hook design :D
I absolutely would have participated. Only 128 entries, that is garbage. I don't even have enough time to receive the filament, let alone test designs or ship it out. Really a bummer.
You don't want to use topology optimization tools here.
They do linear stiffness optimization, not strength optimization. Since this is a failure test in plastic, there will be a lot of deformation.
Any commercial optimization software will miss the ideal solution pretty aggressively, and the open source research codes I know of would take a supercomputer to run.
Why RUclips didn't show me this video before end of competition?
the strongest solution will be just put two metal hooks in contact and then take 50 grams of filament and wind it around like a wire. So if there will be a spiral with thin sides to minimize bend stress it will be stronger. Also if there is one side is a thin wall and another is a lever with a hook to reduce bending force in a hook it woll work too.
If you don't win this, then there's some secret hook genius who's done nothing else his whole life out there
It's important to note here that all climbing equipment designed for load carrying is for DYNAMIC or shock loading NOT static loads as Stefan's excellent test rig does very well. The extra curves in modern climbing karabiners are designed specifically to cater better to a shock load event such as a climber on a 3m lead falling some 7-8 m before halting (2 x 3m plus rope stretch and belay slippage). Such elements do NOT necessarily lend themselves well to static load improvements.
Great video as always
Thanks for 👍😀
im from the future, cnc kitchen lost, im eagerly waiting for results analysis
Well he came third. I came second even though CNC Kitchens hook was probably stronger than mine (I'm up for sending it to him for a test printed with the original Gcode) but that's how the knockout tournament went. The difference between second and third is 5 spools of filament so I don't think he cares much about that (or the prizes in general) but a lot of people probably picked him for the 'guess the winner' side competition. The 1st place winner was controversial since it arguably broke the rules.
Great idea!
Very cool of you to do 3 of them
The first 128 designs? They probably have them already
I think they increase that number if they reached the next threshold (256, 512, 1024, ..) so should still have plenty of space I guess :)
@@3dprintingscience528 After 1024, we risk a memory overflow
Updated up to 512 competitors
Wait, if you have to ship the part instead of them printing it, how do they know you didn’t cheat and use other filament?
Trust in humanity :D
I just started printing my C clamp design when this video popped up on my phone.
I was afraid to do a hooked design because you have to send in a picture before shipping and I worried they might disqualify by judgement.
Excited to go up against your hook though.
So a person with a 3D printer can win, but one without one can not?
He can, they can print your design if you want !
If it can be more than one part add a lug on an openable closed loop and have a notch that holds a price that can be slid over it to give reinforcement to that weak point like the screw of karabenas or whatever they are
Hi Stefan. When the RUclips-King of 3D-Printed Test-Hooks enters the Ring i expect a win with an outstanding Performance. Nothing less. Good luck! (Just kiddin...) ;)
You're probably better off with a D shape profile because it seems to crack on the inside first.
The carabiner design is interesting, but they could easily close this loophole. Make the steel fixture a closed loop instead of a hook, then require that the fixture can be inserted into the HUT (hook under test) without deforming the HUT.
Only the first 128 submissions qualify ??? That’s ridiculous ! 🤦🏻♀️
Damn, I missed this. Gonna push notifications now
Heads up, looks like support material and brim removal count as post processing. That's a load of junk!
Yeah they told me so after I sent them the 3 hooks ... It is not part of the rules though !
Ou, that's not enough time :-/
I don't think you should have made this video and given further exposure to a very crappy marketing move from a company that seemingly does not care about the community. So many good points about why this move is shitty from them. Disappointing
Agreed. This video isn't a total endorsement or anything, but even making a video about this shitty "contest" kinda makes me not like this channel too much. I mean, a contest where you have to buy the companies product and then pay to ship the print to them ??? You couldn't find something else to make a video about ??
@@obie224 Haha I see you on all the comments I also want to comment, I think we really have different opinion on this haha
@@3dprintingscience528 But you did comment. And here you are in another thread right along side of me, so what's your point ?
@@obie224 My point is that I am happy to see Stefan working with this company as I think it fits well, both very engineering oriented :)
@@3dprintingscience528 No one cares dude.
I hope that you win!
Hope my 4th design I sent to them will handle the contest !
only 128 entrances,well that's not much
From the article they ll do more if they receive enough more for another single elimination tournament
I’m interested in putting in the forces and dimensions on the generative design from fusion 360. See if that puts out a nice design
Wow. This vid is so cool, I love the comparisons to the climbing gear, I definitely learned some cool physics stuff TY! While the concept of the contest is awesome....The constraints on what counts as a valid entry are wild. I'm curious how many participants will be eligible, even with the threshold. Also, I thought it was illegal to require a purchase of a material to participate in a contest 🤔 I'll go mosey around their official rules. Thanks again!
there is no entry fees if you are referring to that US law :)
Easy Job for a SolidWorks Simulation
The website is broken
I like the dual spool holder shown in your Video. Is there a Thingiverse Link for it? THX!
Sees this video on 9/25. Welp that would have been cool.
What do you think would be the beat 3D printer for a beginner im saving for one but i dont really know which one to get and ive seen alot od different answers and tbh i trust you the most so what is your opinion?
Eset says Website certificate revoked and blocks the website..
Normal cleanup would not count as post processing would it? Thanks
so having one requirement be you have to print it yourself implies that you already own a printer so why would you need another? I feel like someone who only has a computer and a modeling software could make a hook good enough to win.
Really?? even if I would have 5 printers I would still want an additional one haha
What's a good way to test the strength of our designs at home?
Check out 3D maker noob's set up in his hook video :D
ruclips.net/video/8xyIAc0N494/видео.html
And what happened to this competition?
It finished in December and the videos are on Polymakers RUclips page. CNC Kitchen came third, I came second (even though CNC's hook is probably stronger than mine, but that's how the knockout tournament went) and an Australian guy came first although his design arguably broke the rules. Don't know if that's why he hasn't made an update video on it yet.
Well I do not think the Carabiner design should be allowed. If it is that means all small gaps are also allowed. Especially for the inner side of the carabiner you can then just add connections so that it presses on the inner side of the hook. Just leave 0.5mm of a gap and it is technically not closed.
But how do you define it? What if the mechanism is 5mm apart?
I think its nice to leave people bend the rules, thats where creativity comes from :D
@@3dprintingscience528 Well but the way I would do it it would be technically apart however you could never open the hook in any way.
So really I do not see the point then. Or it must be better defined. Like what the minimum distance has to be between the individual parts.
Also can you use dissolvable support, etc.
Those things can give you a huge advantage while building complex models. My idea can not work without using those since I would have the layers stick to each other. And the fem simulation shows, that the design I now have is more stable than a closed loop due to the way how the cross supports inside work.
But they are not closed however are based on compression so unloaded there is a 0.2mm gap between them. Technically it is not a closed loop but it has crossbeams in an x-shape.
I think it is a good idea however way to vague and if you have a cheap 3d printer, so people who would benefit from an upgrade, you can not win.
Basically you give a printer and fulfillment to people who already have high end machines.
@@nukularpictures I think the rules are pretty straight forward, your hook is open or not :)
If not then its fine.
Regarding the second point, you will certainly have people with better printers than others, but thats like this.. I mean you also have people with better ideas than others, or better engineering education.
You can create the fairness as much as possible but there will always be a balance between fairness and space for creativity.
I guess you even have some people with better 3d modeling software than others lol
@@3dprintingscience528 Well with the printer I agree. This is why I would have people send in G-Code or silcer settings with files. Otherwise it is as much about the printer than it is about the design.
And for the rules: I would have not used metal hooks but chain links to connect it. That way the hooks would have to have at least the openings to put the chain through. Would have also made it more fair.
I mean I wont enter, i have access to an industrial stratasys fdm printer. So I cant use their filament but if I could no hobby machine can get that print quality.
For me it is just a badly designed competition since people with good machines will have huge advantages. I dont think a good design with a 150€ printer can win against a bit less good design with a 2000€ printer with good support materials.
Test shouldn't have a maximum number of entries so screw them.
They dont anymore :)
They increased the number of entries to 512.
Is there a restriction on the length between the hooks or can you make it as short and stubby as you like?
There shouldn't be a limit. It just needs to be attachable to their rig.
What about the v4 pellet extruder that you hinted in previous videos
Well, sounds like a LLI spec 😄😄😄🤓
I usually like your videos, but this is a blatant advertisement for expensive AF filament under the guise of a contest.
If they really wanted a fair contest, they'd just accept a number of stl's, print them with the same machine and then do the evaluation.
Only accepting stl file would be an only design contest, in this case it is a design AND printing contest :)
(which contest is better is up to everyone to judge though :) )
@@3dprintingscience528 What is the different @@ the whole point of the price is for people who don't have a 3D printer but know how to design (I do think of students). And you must print it with their filament (which is pricey and not really accessible globally). I can clearly see that they didn't want to hold a contest, but only want to find a way to marketing their filament :)).
@@laiquocbao2565 I dont think the point is for only people without printers, their market are people with 3d printers so I think it makes sense for them to target people who can use filament. I think a lot of people with already a 3d printer would want an additional one (like me :p)
3D Printing Science yes I know that. I’m talking about the meaning of the competition. The participant and the community growth is not their goal, their goal is to sell filament and advertise themselves using popular youtubers and people who already have the filament and are lured by the 1000$ price like you @@ it’s in fact nothing wrong with that, it’s just about to be clear and precise when talking about this competition. It’s not a joy or an adventure or looking forward bla bla to this competion, and in fact, by saying “3d printing community”, but restricted to only polymax PLA is not a fair point in the first place (and not to mention various tricks that can be used to deceive them, how can I trust their result). It’s “I want to have another printer so I will join” contest actually:))
@@laiquocbao2565 "It’s “I want to have another printer so I will join” contest actually:))"
Yes i agree :)
Seeing as this is judged by the strength I suspect brittle failure to be favorable compared to ductile so the maximum yield strength might be higher
PLA, like most polymers reaches an ultimate tensile strength after plastic deformation has occurred. This can be useful because if there is an area within the part of high stress, it yields and becomes stronger, which can help unify the strength across the part. Brittle failure is like the weakest link in a chain breaking, whereas ductile failure is like the weakest link yielding and becoming stronger until it's no longer the weakest link. Then the new weakest link yields and becomes stronger. Eventually every link is at a uniform strength.
Polymax PLA has a ductile property to it due to the additives, it's their PLA 'Plus' filament essentially, don't really recommend it for the price.
I just seen this video. I dont have the required plastic. I'm also incredibly busy today.😑 IF. lol I am able to make the stl. File. How do I send the stl. to you?
So... buy a 3D printer to enter a competition to win a 3D printer? No thanks. The prize needs to be one of those $20,000.00 printers ...
There is not a 20,000,00 dollar 3d printer lol
@4:09 what Software is this?
i thought i know all topology optimisation softwares out there :D
That was ANSYS.
@@CNCKitchenachso, ich kenn eben nur Discovery Live
Danke !
@ 7:32 the y-axis on the graph is in kN, is this true or actually meant to be N?
8g of plastic resisting 1.34 x10^6 N seems a bit much to me and I assume it's a typo.
Thanks for the video, another quality production as always!
Typo, sorry...
I worry they might consider that carbine(sp?) loophole against the spirit of the rules...
I think they left this rule open so that it is not only about being good at optimizing a design for strength but also being very creative to go around the rule :)
What are the characteristics of the hook?
...
- The hook must be open, it cannot contain any complete “holes”
...
Which a carbiner would have under load.
@@kieroncassidy8005 You can consider not under load :)
Ah I thought you could just send in the stl file but they want you to ship it? How can they be sure I didn't use a slightly stronger filament on the inside? Or even embedded fibers
Your slightly stronger fillament would need to be the exact same color. Fibers would be visible when it breaks in stress testing.
@@awellner3285 Ya I know but still a smart person could probably trick them.
@quique182 Ya obviously the fiber thing is a bad idea, but if I had the ability to make my own spools, I could just use the strongest possible plastic. How would you test that Mr. Science man.
@quique182 Start with clear polycarbonate and then add colors to it until it perfectly matches the desired color. Matte finishes are irrelevant and dependent on printing temperature. All models sent will have varying levels of gloss anyway from that. It would be hard but it is not as impossible as you are making it out to be. The higher they make their reward the more likely it is they will encounter attempts at cheating.
@quique182 Or better yet make it from a cast mold and say you used a very fine nozzle. You could even use their exact plastic.
I don't think your optimized hooks are valid because they contain complete holes :/
the site explicitly says this:
it cannot contain any complete “holes”
I feel like that very broad rule excludes most interesting optimized designs :(
Yes, but adding a simple web would make them "legal" again. Didn't do a lot of modification on the parts for the sake of time.
I wonder if they would disqualify it if you just covered the holes with a single layer...
I don't see a link to the 3dmn video; if anyone else is looking for it: ruclips.net/video/8xyIAc0N494/видео.html
Tempted but also depressed. I'm broke so this would be awesome but they probably can't even ship here
I'll send them one made of nylon trimmer line for 1/10 the price and beat their rubbish.
I ll make one out of carbon fiber only and for 50g Im sure I ll beat pretty much everything... (but I guess thats not the point of this lol)
Clearly just a method to increase sales, at £40 a spool even if 40 people enter they have already covered the cost of the competition... However chances are it'll likely be well over that much more likely 500+ especially as two massive RUclipsrs have already covered the topic...
From their last tweet it is most likely they will have less than 150hooks, I think there is a big difference between getting their contest to be known and engaging people to actually commit to design, print and ship out hooks :/
@@3dprintingscience528 They could have made it fair by printing the designs inshop, no cost to consumers...
@@Moximaxius Yes, or at least leave the option to only send the STL cuz I guess many people would want to control the printing to print stronger. (cuz the goal of the contest was to design AND print the strongest hook)
Nice scam to sell their filament: must be "Printed in PolyMax™ PLA (any color)
What filament would you have chosen for everyone to print with? :)
@@3dprintingscience528 In a fair competition, any commercially available PLA. I do understand the need for a control in a scientific experiment but if you really want to find the best solution it should be more open.
@@3dprintingscience528 I probably should have said "nice marketing strategy to boost their sales of polymax"
@@enhaxed7839 Got you, yeah I guess the main challenge was because of all the different kind of PLA
@@3dprintingscience528 One that doesn't cost $40 a roll LOLOL
I'm thinking it's going to very difficult for the judges to determine if annealing has occurred or not? For instance very slow print speeds, very hot build platform/enclosure temps and a slicing scheme that has custom pauses for hours between layers could muddy if it's been technically 'post processed'
i have an idea but i cant model for the life of me. any hope for me?
You're kinda late bro, the contest dates back a month ago !
Cute a gambling contest.
👍👌
Probably too late to enter already?
2 weeks left so I guess its fine (As they are considering the day you send the hooks out, not the day they receive it :) )
Liked for your content, I wouldn't punish you for this sketchy "giveaway". Accepting 128 hooks that you need to print (with their filament) and ship to them guarantees that a ton of filament sales happen without needing to test a ton of hooks. It's just a really crappy way to do this and makes me a bit upset.
I think steel S hook will loose! ;)
I'll buy the person a beer, that beats the steel hook 💪
@@CNCKitchen Just finished up my design for the competition, I'll hold you too that :P Look forward to seeing your final design Stefan!
@@CNCKitchen Turns out you owe lots of people beers including yourself ;).
Polymaker's "rules" leave so much room for abuse - and remember "technically correct" is the best kind of correct.
My "hook" would look like a postage stamp and would sit pressed (sandwiched) *between* the two steel S-hooks. It would weigh less that 1g, and would beat the crap out of all other designs. Topologically, a postage-stamp is a hole-less object.
No rule states that the steel hooks may not touch each other.
Scratch my idea.
A better hook would be a postage stamp of zero thickness, zero mass, and zero purchase of Polymaker's PLAs ;) Strongest hook? Or the emperor's new clothes?
But wait! We can do even better!
At one point, the invisible-postage-stamp concept too shall fail, because the steel S-hook shall bend. Can we make a 3dp object to _reinforce_ the hook-shape of the steel? We have 50g to play with... DAMN! Now _that's_ a real challenge!
They say in the rules that the hooks may not cross each other. So.. yeah.
Ok after i saw the video it's not worth it. Totally marketing to sell their product. If they really wanted to make a nice competition they would just accept one file per each participant electronically, having them printed and tested with proof, with no limits and no need to buy their product and having to ship to them..even if they sent filament samples to print with that low of participant limit is stupid as for 1000 people not even 15% would be able to participate..fuck them
If they shipped me a sample and extended the deadline to November this could be fun. Legit suppliers seem to be out of stock and Amazon scalpers are charging 3x normal ($150 CAD) for a spool of Polymax. And there will be shipping delays both getting the filament and getting entries to them. I also have to question the legality of having to buy something in order to enter. Oh well...
my idea is that its even against YT rules I believe.. I am a CNC kitchen fanboy but Stephan: it would not supprise me to see some concullega's (jealousy rules the world *-( reporting you and flagging the video, I am not certain as I didnt read the rules verbatim but even if you dont organise it, promoting it is also seen as punishable by YT, please for the spirit of this wonderfull channel refrain from these things.. you dont need them.. really.. just some words of advice
Why would people report the video? :/
Basically, buy our overpriced filament and maybe youl get a prize but probably not.
Found the tournament videos:
3dwithus.com/3d-printed-hooks-polymaker-hook-tournament
Make internal geometry inside the carabiner that can open and lock again like the outside link. Like it's got a spiders web inside.
No need for it. If this carabiner is allowed then you do not need to do anything. Just leave 0.2mm between the structs and design it accordingly. Because this carabiner will never open. Not if you scale it to the dimensions you can have with the 8mm hooks and the 50g. You will have a very thick part so you basically have no chance of moving the plastic.
So if that is an ok design, the rules for no closed circle inside the part is basically meaningless.
@@nukularpictures Yeah I did wonder if this will be allowed. I don't think it is okay unless it can be practically opened. Although 50g is a lot of material. A screw thread collar would be another option but does that count as a printed as one part if its print in place?
@@Audio_Simon Well I would see that as two parts. I mean it should not matter if it is printed in one go for me that would mean two parts.
But yeah this challenge is way to vague to really tell what is allowed. I really think they need to clarify it a bit and restart this entire thing.
making people buy their matirirailal pretty much ensures that they maintain a profit by having a bunch of chumps trying to make money buy stuff from them.