3D Printed Biomimetic Mechatronic Hand Explained Part 1

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Will Cogley

Will Cogley

Күн бұрын

A fairly in-depth analysis of the design and construction of my bionic biomimetic mechatronic hand. I'll be uploading another video soon!
My Setup/Recommendations:
🖨️ Big 3D Printer: shareasale.com/r.cfm?b=235472...
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🔧 Screwdrivers: amzn.to/3WFHXDp
🔌 Power Supply: amzn.to/3UYY6lP
🔥 Soldering Station: amzn.to/3wAYj5u
Contact: enquiries@willcogley.com
Discord Server: / discord
As my 3rd year project for the University of Hull, I am designing and building a fully 3D-printed and arduino controlled bionic hand. As a "Biomimetic" (closely imitates real-life) mechatronic hand, it has 23 degrees of freedom and uses a physical controller in order to replicate the high degree of precision in a real human hand.

Пікірлер: 722
@FullStackFool
@FullStackFool 5 жыл бұрын
Will, thank you for posting this. Several hours of researching robotic arms for a costume next year and this is one of the best bits of explanatory material I've found. The fact that you took time to break down your process, successes and failures all, has really helped confirm a lot of the concepts for me (and, ironically, only up the road from myself!) I wish you luck with the rest of your degree!
@badw01f23
@badw01f23 5 жыл бұрын
This is so impressive. As someome who tried to design a hand in cad software, i extremely underestimated how difficult it was. I don't have the skill to make the complex, organic shapes of a hand like you did with the coverings
@stainlessdroid3249
@stainlessdroid3249 5 жыл бұрын
I watched this video like 25 times, it's so soft. the background music and your voice explainign something so interesting for me makes the 20 minutes feels like 5. I can't wait to see the finished proyect. Congratulations
@Anthromod
@Anthromod 5 жыл бұрын
I did a few hands a few years ago (and actually should be working on one now...). What I ended up learning from the experience was that standard robot design approaches, and technologies, are quite limiting. For example hinges with axles through them take up too much space, servos being really awkwardly shaped etc. I think the way to crack it is to combine soft robotic actuators, bones which slide past each other, and elastic and tensile elements. Have you looked at tensegrity inspired models of the body? It helps to see how the body can be broken into different elements beyond the typical rigid elements+hinges approach. A hand that is underactuated but held together with elastic and tensile elements can wrap itself around an object it wants to grasp. Have a look at the hand design by Zhe Xu.
@WillCogley
@WillCogley 5 жыл бұрын
Thanks for your comment, I'm actually really interested in Zhe Xu's designs, and I definitely think the next step for this project is what you're describing. What were you designing hands for if you don't mind me asking?
@Anthromod
@Anthromod 5 жыл бұрын
I made them mostly for robotic purposes as I want to build a whole humanoid robot at some point. There was some interest in prosthetics and I chatted with Openbionics back when they started. I also contributed to what became the Enable hand. Since then life got in the way, but also I've been looking at learning how biology approaches these problems and the pros/cons of biology vs standard engineering. There's a lot of cool research going on in soft robotics and programmable matter which could help us approach the design in a more organic way. There's a lot of ways that biology has made its mechanics optimised for it's role. I mentioned the gripping in the previous message, but there's stuff like passive dynamic walking, which helps explain why humans are much more efficient at walking than a robot like Asimo.
@WillCogley
@WillCogley 5 жыл бұрын
I've had a quick look at your videos, there's some fascinating stuff there particularly with your tensegrity spine, is that something you're still working on? I did this hand as a university project so there was a lot to cram into the year, but after seeing that project by Zhe Xu with the little crocheted joint capsules I've been really interested in that sort of thing. I'd like to be working on a new design now but as you say life is getting in the way haha. Let me know if there's somewhere I can follow your progress on your humanoid robot.
@GaryMcKinnonUFO
@GaryMcKinnonUFO 5 жыл бұрын
I have no experience in robotics apart from watching other people's work, my experience is mostly in electromagnetics, but i've often thought small electromagnets would be good for muscle/tendon replacements, do you both know of any work done in that area ?
@casewhite5048
@casewhite5048 5 жыл бұрын
awesome guys
@sofuckingannoying
@sofuckingannoying 5 жыл бұрын
Absolutely beautiful and the first design on KZfaq which aligns with my own notion of what a mechatronic hand should be. (I'll get to building mine any year now...) I feel compelled to express my admiration for your vision and the love of the art. Build beautiful things, learn from nature, don't build ugly things. Looking forward for more.
@the-real-zpero
@the-real-zpero 4 жыл бұрын
When you start counting how many degrees of freedom we actually have, it gets pretty ridiculous. It's really awesome to see something as complex as a bio-mimetic a hand being tackled.
@glennedward2201
@glennedward2201 5 жыл бұрын
Mechanical tendons. Seems that is the only real way to accomplish full dexterity. The human hands are quite distinct. Great graduate project. I could see an entire robotic cyborg controlled this way and a central hub in the chest that self calibrates and controls the body functions.
@Chris_M_Romero
@Chris_M_Romero 5 жыл бұрын
This makes me value my hand as the incredible piece of engineering that it is. And gives me hope because maybe we can improve it to further complexity and accuracy of motion
@littlesnowflakepunk855
@littlesnowflakepunk855 4 жыл бұрын
The accuracy of the motion of your hand is mostly down to your brain.
@douglasthomson2986
@douglasthomson2986 5 жыл бұрын
Stellar work Will. Super tricky project to tackle. Love the great exploded animations as well. Good luck with it
@protesisroboticamexicana5296
@protesisroboticamexicana5296 4 жыл бұрын
Excelent work Mr. Cogley! Beautiful design, and the improvement of lateral rotation on fingers is terrific! Congratulations!!!
@bonski59
@bonski59 5 жыл бұрын
This is fantastic. Great job! I'll be eager to see the next update.
@fuzzydragoncosplay955
@fuzzydragoncosplay955 5 жыл бұрын
This is really impressive, i especially liked how you used springs in the joints to make them open back up. I’ve been working on a hand project off and on for a couple years, and there are things in this design that make me want to change some things on mine. Sadly I’m limited since I’m recreating a design from a movie. I’ll be interested to see how you improve your designs in the future
@maxstafford4007
@maxstafford4007 4 жыл бұрын
It's nice to see some one finally see the issue with hand prosthetics and design a hand that more human. You have a bright future. I wish I had the education to work with you dude.
@GaryMcKinnonUFO
@GaryMcKinnonUFO 5 жыл бұрын
Well designed, i like the cables in place of tendons.
@nathanielbarry4260
@nathanielbarry4260 5 жыл бұрын
Hey mate, found your channel today and you have totally blew me away looking forward to content in the future.
@magokeanu
@magokeanu 5 жыл бұрын
I really like your work, its inspiring, specially the combination of functionality and good looking parts
@kadenzxc
@kadenzxc 5 жыл бұрын
This is an excellent video! You've done some really high quality work here. I'm thoroughly impressed.
@i-make-robots
@i-make-robots 5 жыл бұрын
I try a lot of things to build my industrial arm. Most of them don't work. I say this to let you know that I appreciate how hard your work is, and I admire your determination. Stay awesome!
@mindblown2835
@mindblown2835 4 жыл бұрын
This work is amazing! Can’t believe I’m just now finding you channel.
@10p6
@10p6 5 жыл бұрын
Nice video and great to see someone try and progress technology that could help a whole lot of people.
@ciarfah
@ciarfah 4 жыл бұрын
Love the transitions between CAD and real photos!
@JoeBissell
@JoeBissell 5 жыл бұрын
very good iteration of your design, i can almost already see the next one with fewer parts and more optimized due to 3D printing. Keep up the amazing project! (edit) your mechanical interpretation of the human had is fascinating
@PackthatcameBack
@PackthatcameBack 4 жыл бұрын
I've been thinking of this exact thing for years! It's amazing to see someone actually making it real. One idea I had was to (if you had the equipment, anyway) basically make a scan of the bones in your hand and then 3D-print exact replicas in order to better understand just how everything moves together, as I think that would do a lot to help figure it out.
@artbyrobot1
@artbyrobot1 5 ай бұрын
there are already free models online of scanned bones
@jcjensenllc
@jcjensenllc 5 жыл бұрын
Great work. I have seen bionic hands that work well with only two fingers and a thumb. Simplifies the design, reduces weight, complexity and failure points, simplifies software, reduces cost.
@JohnSmith-tr3dj
@JohnSmith-tr3dj 5 жыл бұрын
Extremely well done
@eugenewii
@eugenewii 5 жыл бұрын
I love the thought process you shared. I drew up an idea like this, but changed to a hydraulic system before I even got enough done with the build to share it. I wish I had 3d printers back then. Oh, use this with a rail guide to move the metacarples laterally.
@multiforc271
@multiforc271 4 жыл бұрын
Thank you for sharing this project, I've got inspired for my own project. best of luck
@3d_idea800
@3d_idea800 5 жыл бұрын
Очень круто, огромная работа и по анализу задачи и по проектированию, просто супер! Это лучший проект по возможностям кисти, который я видел. Подписался на канал.
@rgssr.265
@rgssr.265 4 жыл бұрын
Great quality content with well research I ever found in Bionics. Great work!
@hlp8043
@hlp8043 4 жыл бұрын
Great work man!! This is the first time i see soo much work focused on thumb movement and the look is just amazing i will keep going with the movement of the knuckles, because for complex things like writing or grabing small things are really usefull
@kpopRC
@kpopRC 5 жыл бұрын
Super cool project man! great job!
@emberdrops3892
@emberdrops3892 5 жыл бұрын
This is so cool! It has much less useless plastic and more realistic motion than other competitors! :D
@scaleless8875
@scaleless8875 4 жыл бұрын
I think this is the most Human like Hand I have ever seen. Good Work.
@krazykillar4794
@krazykillar4794 3 жыл бұрын
You are very good at explaining things ! Well done !
@keithking1985
@keithking1985 4 жыл бұрын
watching stuff like this you can really see the future opening up.. keep up the good work dude.. really awesome : )
@dhidhi1000
@dhidhi1000 5 жыл бұрын
Your work is really inspiring! Thank you!
@fluorescentblack4336
@fluorescentblack4336 4 жыл бұрын
This is brilliant mate. Well done!
@CdoGtheGreat
@CdoGtheGreat 5 жыл бұрын
This is a very interesting video. Thanks for posting this.
@RoadRunnerMeep
@RoadRunnerMeep 4 жыл бұрын
7:55 impressive level of thought process and detail man.
@rayrocher6887
@rayrocher6887 4 жыл бұрын
thanks for helping other people. thanks for the tech. this helps the future. bionics and mechatronics is caring. good work. noble work.
@briansgalaxynote2
@briansgalaxynote2 5 жыл бұрын
The hand is a wonderful work of art!
@matthewp4046
@matthewp4046 5 жыл бұрын
Mind blowing. It is obvious that you can produce very impressive results when you commit yourself to a project like this. I'm glad you talked about the iterative process, your mistakes, and how your skills improved over time - that's very relatable. I see this video is called 'part 1' - are there plans for a part 2?
@YOLO-tq3el
@YOLO-tq3el 3 жыл бұрын
Yooo, THIS SO EFFIN BEAUTIFUL AND WELL MADE!!!!
@jstagzsr
@jstagzsr 4 жыл бұрын
this is amazing!!!! I just started creating a robotic hand too and you just gave me so many better ideas than what i had.. specifically about the thumb. This a fascinating video and im definitely subscribed now!
@jkf0ilapse
@jkf0ilapse 7 ай бұрын
Brilliant work!
@sentientagent
@sentientagent 5 жыл бұрын
Hi! Good job on the hand! I did a similar project back in 2014 that was eventually scrapped before motorization, sadly. Instead of bolting everything together, we tried to hold everything together with an elastic mesh. We managed to build a condyloid joint, but I think that the proximalmetacarpal joints (including the thumb) are just hyperboloid joints. I still have a few kilometers of flexinol in my basement if you're (or anyone's) interested haha.
@rupertgarcia
@rupertgarcia 4 жыл бұрын
I just discovered your channel and I automatically subscribed. Glad to have found another YT gem!
@freddieliang2241
@freddieliang2241 5 жыл бұрын
currently im trying to make a prosthetic finger for a project in school and this video really helped. thx! :)
@JEYMS
@JEYMS 5 жыл бұрын
Very nice design !
@stumcconnel
@stumcconnel 5 жыл бұрын
This looks amazing, one of the best bionic / robotic hands I've seen. Were the white covers FDM printed? How did you finish them?
@WillCogley
@WillCogley 5 жыл бұрын
Thanks, I printed the shell parts in ABS on an FDM printer intending to smooth them with acetone but they were too thin, so it's actually hand-polished.
@Daisyboobs
@Daisyboobs 5 жыл бұрын
@@WillCogley I recently watched a Tested video with a lass that built armour, she said that diamond dust Dremel bits are really good for polishing 3D printed parts quickly. Might be a timesaver.
@WillCogley
@WillCogley 5 жыл бұрын
I must have missed that one, interesting. I used Dremel sanding drums to start with but they just sort of melted the plastic. Thanks for another tip haha
@npc6817
@npc6817 5 жыл бұрын
@@WillCogley dremels can often do that, if you want to use them on plastic you should look for model making rotary tools, its exactly the same but you can set them much more slower than a dremel (or at least the dremels I own). I had the same exact issue when I started polishing my model cars, I ruined a very beautyful corvette like that
@civick2052287livecom
@civick2052287livecom 4 жыл бұрын
The best hand prosthetic I've seen.
@andax2007
@andax2007 5 жыл бұрын
Nice work! Have you looked into twisted string actuators for your tendons? Regarding your joints, I printed a hand a few years ago where the joints were ninja flex filament. That worked fairly good.
@davidortiz3047
@davidortiz3047 4 жыл бұрын
Feeling and being high function is freedom from physical Disability's and limitations not many people really understand that. Extraordinary great job 👋😯
@harrywhite7287
@harrywhite7287 4 жыл бұрын
Excellent. Thanks for sharing.
@medicalequipment.22
@medicalequipment.22 2 жыл бұрын
Excellent work
@Frankthegravelrider
@Frankthegravelrider 5 жыл бұрын
Just discovered your channel, very cool!!
@c336_
@c336_ 3 жыл бұрын
woao :oo Lately I have gotten interested about mechatronics and I've been watching associated videos, and the design of your hand is awesome :oo
@matrixcoder87
@matrixcoder87 5 жыл бұрын
Stunning work, keep going
@eggling3427
@eggling3427 4 жыл бұрын
you are doing an amazing job
@magianegrastudio
@magianegrastudio 5 жыл бұрын
Great job my friend, a hug from buenos aires, Argentina
@brucewayne8966
@brucewayne8966 5 жыл бұрын
Amazing!!! Not much more to say but that it’s Amazing!!
@rishabhlal8750
@rishabhlal8750 5 жыл бұрын
Love from india, your videos are very inspiring. Keep us filled with your style😄.
@netkrawlr
@netkrawlr Жыл бұрын
Incredible...well done.
@shaul.c
@shaul.c 4 жыл бұрын
This is so cool, ty for the inspiration!
@tram1839
@tram1839 5 жыл бұрын
I hope you've made progress, I'd love to see the final product in action. this could potentially replace other bionic limbs by being stronger with more mechanical parts rather than the electronic ones.
@sergejbykov30
@sergejbykov30 5 жыл бұрын
Good renders, and best explanation
@phybillgate4586
@phybillgate4586 5 жыл бұрын
You made a great design.
@joshsavage8659
@joshsavage8659 4 жыл бұрын
Really awesome video! Thanks!
@jeisinga
@jeisinga 2 жыл бұрын
Amazing design I am now busy with assembly the inmoov hand but this project looks awsome
@ToddLarsen
@ToddLarsen 5 жыл бұрын
Pow! Mind blown! I have been using Fusion 360 and have been 3d printing and designing for almost one month now with zero education in either and watching what your doing is very inspiring to me. If I keep on the path I'm taking, seeing what can be accomplished I can only imagine what can be done with this technology. I can't wait to see how your project evolves going forward, it's already so amazing! Have you looked at tenticals and thought maybe a finger tentical might be something to look into for a simpler design? Thanks for sharing and as always Keep Building👍
@WillCogley
@WillCogley 5 жыл бұрын
Thanks Todd, I'm really interested in some of those soft robotics designs like the tentacle you mentioned, I'm looking into artificial muscles too. Good luck with your projects :)
@hganeshniranjanrao8754
@hganeshniranjanrao8754 5 жыл бұрын
man thats some awesome design ... keep it up bro :)
@Death-bb2yu
@Death-bb2yu Жыл бұрын
It’s special cause you taught me something new 🙂
@AdepTTable
@AdepTTable 5 жыл бұрын
It's really cool! Continue plz!
@1963corvette327
@1963corvette327 3 ай бұрын
lovely mat just lovely,,,really nice job..
@Markfps
@Markfps 4 жыл бұрын
Yep, this is an insta-subscribe for me... Keep up the good work, amazing design, very life-like!
@vladsbengheci3074
@vladsbengheci3074 5 жыл бұрын
Dude! You just rekindle my passion to design artificial hands for the people that don't have one. I want to create something similar to yours, but a little simpler so it is easy to use. I am frustrated on the fact that every hand on the market is limited to a little number of movements so i want to make one that does not feel fake. Unfortunately all of my ideas are only on paper, but i hope that soon i will have the time and resources to create one. Thanks!
@WillCogley
@WillCogley 5 жыл бұрын
Thanks Vlad, I'm glad you like it. Best of luck with your own designs :)
@vladsbengheci3074
@vladsbengheci3074 5 жыл бұрын
@@WillCogley Thank you
@richardvamosi1500
@richardvamosi1500 5 жыл бұрын
Amazing job , great! Thanks a lot! :D
@grahamtech
@grahamtech 5 жыл бұрын
So beautiful very professional
@donjensenep
@donjensenep 5 жыл бұрын
Will, one option you may want to explore is sand casting using your 3d printed parts to create aluminum versions of them. This is a very impressive design and you could reinforce those areas by 3d printing then pattern casting them. Lost form casting I believe is the correct term. here is a wiki link en.wikipedia.org/wiki/Pattern_(casting) if you're interested. Excellent job on this gives me hope in the future that there are still bright minds coming up nowadays I have been a mechanical designer going on 20 plus years now and you have a rare talent from my experience. Keep it up and the sky's the limit.
@synakal
@synakal 5 жыл бұрын
very cool. nice work.
@Blennck
@Blennck 4 жыл бұрын
keep the good work mate :) Love the video
@temappkk
@temappkk 5 жыл бұрын
Very nice project
@bentsprockettech
@bentsprockettech 3 жыл бұрын
Beautiful!
@PiefacePete46
@PiefacePete46 5 жыл бұрын
Stunning! Thanks.
@Vedrfolfir
@Vedrfolfir 5 жыл бұрын
out of all the designs I have seen. even though you do not like having all those parts. this is one of the most in depth and wonderfully designed models for a robotic hand I have come across. great work. remember incorporating 3d printed parts is key not being completely 3d printed unless you are going for non-functional. use them to proof and mold from for a final design but not as the final. even 3d printed metal (sintered) is not as strong as forged/cast, it is still just a rough draft. your design and work though is great, keep it up. if you fiddle a little more with your slicer setting you might also close up some of the small gaps in the parts between the walls (play with extrusion with a little and overlap) should help with model strength even more.
@jorihuovinen1779
@jorihuovinen1779 4 жыл бұрын
You should implement camera for item shape recognition. That hand could pickup different shapes..Look nice.
@martinpetersson4350
@martinpetersson4350 5 жыл бұрын
I'm doing research on hands too! Very interesting, subbed!
@codyhurley5796
@codyhurley5796 5 жыл бұрын
Take a look at mine i designed on my chanel.
@francoiskern9904
@francoiskern9904 3 жыл бұрын
I am very impressed with your work! You inspire me to work at a much higher level. I wish you had access to a metal printer and smaller stronger motors. Well done!!!!
@amkp40technology
@amkp40technology 4 жыл бұрын
Good attempt 👌👍👏
@miguela.maroto9226
@miguela.maroto9226 5 жыл бұрын
Atounding job. Is a big bio-engineering proyect. Very useful for the next bionic replacement body parts. You worcks in the future. Congrats!
@mmdnaderi7183
@mmdnaderi7183 5 жыл бұрын
this kind of projects need a open mind guys which you are , keep it up and respect for arduino :)
@markanixon77
@markanixon77 5 жыл бұрын
This is amazing mate. Good on ya pal.👍 🙈🙊🙉
@jayabratabiswas01
@jayabratabiswas01 2 жыл бұрын
I appreciate your work, Your way of thinking of a realistic hand is almost same as mine. What my plan is to make the joints and skeleton structure same as human bone and joints are like ball and socket with same degree of freedom. Instead of human muscle and tendon cables will be used. Another thing I think that force /stress and torque of a human hand & fingers can generate Should be same for the robotic hand. Another thing I want to mention is that few years back I saw a video where all the cables at middle of the hand they were using a wooden special shape object to control all types of grips. So in that case my plan is to use lesser number of actuator to complete the project. Definitely what you have done so far is unbelievable work. I am very happy to see your this video. Keep it up Sir. 👍👍
@canerandagio104
@canerandagio104 4 жыл бұрын
Good evening Will, I wanted to point out that it is precisely the discriminant between convergence and divergence of the metacarpal bones that is the biggest problem in designing and creating an artificial hand. The fact that you have correctly observed what is the natural mobility of the bones of the metacarpal, their semi-independence of movement and the different ability to articulate the last two fingers of the hand. All factors that must be calculated not only for size but also for exact structuring. The more they are similar to human bones, the greater the possibility that the limb responds naturally to its use. Congratulations, a greeting from a cybernetic lover.
@tonymontana8106
@tonymontana8106 5 жыл бұрын
I'm your 7k subscriber, I really enjoyed your video your work is awesome.
@muhammadbilalawan
@muhammadbilalawan 5 жыл бұрын
Great work!
@user-gk5by1uj5r
@user-gk5by1uj5r 5 жыл бұрын
I am a korean student.I wanted to artificial leg design a from old times.And when these images come out, my dreams are more motivated.I am very excited now.I hope it will be a day when I can work for disabled people.Good video thanks.I'm sorry if I have the wrong sentence.
@solidjames
@solidjames 4 жыл бұрын
Well, this is really inspiring, i love the science, the electricity, robotics, all this kind of things, and besides, i just have 3 fingers on my left hand, i this really inspire me to learn first at all about the 3D printing, and this biometric science
@richardcypher1480
@richardcypher1480 5 жыл бұрын
Incrível. Meus parabéns, você é uma referência.
@SERGex8
@SERGex8 4 жыл бұрын
This is my dream! thx for this is video! 3D printer is a miracle
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Не обзор DJI Osmo Pocket 3 Creator Combo
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superfirsthero
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гений починил ноутбук
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Dear Daria
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