Making chainsaw robot, carving logs

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The robot arm I used:
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When I was offered the opportunity to beta test an upcoming robotic arm from Tormach, I knew exactly what I wanted to do with it. CNC chainsaws baybeeeeee. Aside from being fundamentally awesome, it is a very interesting software problem. Since I didn't have to build the arm I was able to focus the project and the video on the software challenges of making something like this work. Thank goodness I didn't have to build the arm because the software almost killed me. I can imagine all kinds of next steps for this creation like machining textures with the chainsaw or cutting topiaries. I hope you like it!
* Low Polygon Labrador Model:
Other great things (your purchase helps support this channel):
* I use a glowforge pro for rapid prototyping and it's great. You can $500 off a Glowforge pro here:

  • Hope you enjoy this robot as much as I do 🙂. A big thanks to everyone who helps to make these projects possible through their patreon support. If you'd like to help me make more projects like this (and get more behind the scenes content, an AWESOME discord, livestreams, etc) check out

    Stuff Made HereStuff Made Here10 päivää sitten
    • Your videos are awesome! Idea: Mirroring programming While the saw is attached to the arm, have a zero point. Have a professional carver carve something while the arm records the movements. Once they are done, save the the program. Now, every time you place the log and robot arm at zero, you can just run that program... would be awesome! Mass produce famous carvers works at a fraction of the price.

      Michael McGregorMichael McGregor2 tuntia sitten
    • Your videos are awesome! Idea: Mirroring programming While the saw is attached to the arm, have a zero point. Have a professional carver carve something while the arm records the movements. Once they are done, save the the program. Now, every time you place the log and robot arm at zero, you can just run that program... would be awesome! Mass produce famous carvers works at a fraction of the price.

      Michael McGregorMichael McGregor3 tuntia sitten
    • do you think it's possible to make a machine or system of machines that will grow you the perfect plant? like look at it and determine what it needs and then give it to it? control sunlight, water, minerals, etc.

      mainframehackermainframehacker5 tuntia sitten
    • If you would have cut with a water jet you will have quicker cutting results.

      Plfj AaPlfj AaPäivä sitten
    • Now you need a huge enclosure for the bar oil you will need to cut wood!

      Matthew CrowMatthew CrowPäivä sitten
  • The Robot with the googly-eyes reading the captcha really caught me off guard :D

    PhlosenPhlosen7 minuuttia sitten
  • As an engineering student, any time I watch one of this guys videos I'm absolutely shocked. Highest level of complexity of projects of any maker youtuber imo

    Josh HolderJosh HolderTunti sitten
  • 3:03 100% this is why I love this channel. Informative, interesting, and the driest deadpan humor imaginable.

    Bob GuyBob GuyTunti sitten
  • 🤦‍♂️That is a raker; not an anti kickback tooth🙄Tour robot is pushing the saw into the wood. You do not force the cut. You let the saw cut at the speed it wants to. It will not cut faster if you press harder. Normally that wood just kill the engine. If your motor is powerful enough to keep going you are just creating heat and eventually the chain will snap.

    Theflyingcandleguy MeTheflyingcandleguy MeTunti sitten
  • 😂I love your presentation. I have thousands of hours of Chainsaw time. The reason chainsaw art is so impressive is the amount of tip cutting involved which is a slightly dangerous and difficult to master endeavor especially if your upper body fitness is a disaster. You can carve up a piece of wood in reasonable amounts of time with a combination of slabbing and then tip cutting. Beware of fatigued stability muscles, loose chains, dull chains, dirty logs, hardwoods, and especially be very cautious of old chains, kickback, and flying chunks of wood which will surprise you with a whack to the face at some point.

    Theflyingcandleguy MeTheflyingcandleguy Me2 tuntia sitten
  • It honestly gives me hope for the future knowing that there are people this brilliant that can hopefully help right the ship that we all seem to be sinking on.

    TMHFTMHF2 tuntia sitten
  • *Everyone that took Calc 3 in college appreciated this video.*

    Florian KrentzelFlorian Krentzel2 tuntia sitten
  • What iPad app do you use for all your drawings?

    Mathew UbachsMathew Ubachs2 tuntia sitten
  • Your videos are awesome! Idea: Mirroring programming While the saw is attached to the arm, have a zero point. Have a professional carver carve something while the arm records the movements. Once they are done, save the the program. Now, every time you place a log and robot arm at zero, you can just run that program... would be awesome! Mass produce famous carvers works at a fraction of the price.

    Michael McGregorMichael McGregor3 tuntia sitten
  • Why not scan the wood on the turntable into a pointcloud?

    Sanjay KrishnanSanjay Krishnan5 tuntia sitten
  • do you think it's possible to make a machine or system of machines that will grow you the perfect plant? like look at it and determine what it needs and then give it to it? control sunlight, water, minerals, etc.

    mainframehackermainframehacker5 tuntia sitten
  • Ohhhh dude I am 1 week late

    Home HomeHome Home5 tuntia sitten
  • Need some chainsaw bar oil my man. Even electric chainsaw need it.

    J SmithJ Smith5 tuntia sitten
  • the wig and crown absolutely sold it made it x100 times better

    Zodaxa RohalxoZodaxa Rohalxo6 tuntia sitten
  • Not gonna lie, when you went into the password thing, I was 100% expecting you to say "and that's why I use Dashlane"

    Tanner FilipTanner Filip6 tuntia sitten
  • hmm 🤔 not sure if it is a good idea to build a machine with a "kill radius"

    qwertyqwerty9 tuntia sitten
  • Nice book in the intro!

    Dmitry YershovDmitry Yershov9 tuntia sitten
  • Do you have any recommended topics I could research to learn how to build crazy stuff? I've got software engineering down. I've been learning 3D printing / modeling and electronics / ardrino stuff but the metal working is beyond me. I'm not even sure where to start or what questions to ask. I'm currently working on printing a CNC milling machine though I don't know what I'll use it for lol. Any direction would be appreciated. Love all your stuff btw, you're a real inspiration!

    Will FarleyWill Farley9 tuntia sitten
  • he's just making a prototype for the killer robot army he's going to use to take over the world

    Justin MaessJustin Maess9 tuntia sitten
  • I really like the hidden details in the background: " Why buy one when I can do a much worse one for free." , "When you have a bolt that's really stuck, you get way out here, and snap your wrench in half." , "Dance 'till you're dead 10 - hours" (on monitor) , "why are weener dogs SO long" (on monitor) , "wife made here" , the robot talking back.. Having those pop up when you don't expect them makes it so enjoyable! Great job, we love it!

    ThomasXNTThomasXNT9 tuntia sitten
  • I laughed at the snap your wrench in half joke, totally haven't done that before

    Elder FrostElder Frost10 tuntia sitten
  • As someone who uses a chainsaw on a daily basis, I must comment, that it's clear that your trying to push a dull butter knife through a piece of wood. In other words, it's dull. The second you put on a new, or freshly sharpened chain, you will see a world of difference. If you don't know how to sharpen it, you should probably take it to a shop, where they generally charge $9 to $12 per chain. Also, in on of the shots, the chain was loose. It must have the proper tension, and be Sharp.

    Shawn TiltonShawn Tilton11 tuntia sitten
  • Still waiting for the lockpickinglawyer video on your door lock!

    Reuben Rushton-TaylorReuben Rushton-Taylor11 tuntia sitten
  • yup ................. youtube unsubbed me yet again ............. resubbed for the forth time now STOP IT FIworld .........ITS GETTING OLD REAL FAST yt ai is broken AF

    Tracey ElliotTracey Elliot11 tuntia sitten
  • As far as optimizers go, when I run into false extrema with gradient methods I've found that simulated annealing works pretty well and is usually pretty fast. At worst, you can use it to find a good starting position for a gradient approach.

    Ben GroebeBen Groebe13 tuntia sitten
  • When using gradient ascent or descent, remember to use momentum.

    Fateh AliyevFateh Aliyev13 tuntia sitten
  • The funny thing is that you didn't even bother to ask someone who uses chainsaws whether or not a pole saw could cut a log. Obviously you figured out the answer, it can't! A pole saw is meant for small branches. Heck, it probably even says that in the manual, which you always brag about not reading. :)

    Peter ShinnPeter Shinn13 tuntia sitten
  • how many computers does this guy have lol

    Coby BentleyCoby Bentley13 tuntia sitten
  • You asked for: how can you help in 2021? You can do a *Good* rocket and send it with a camera *not the fish bowl lense one* to the space and finally stop the debate between flat earth vs round, just x fun, but actually gonna be viral and you gonna help people stops the debate

    M LM L13 tuntia sitten
  • Heslo what App are you using in 4:50 i cant figure out is it on android too ? Tank you

    REMIX The ObserverREMIX The Observer13 tuntia sitten
  • So... honest question here... Why didn't you iterate off of the pumpkin carving setup for this machine? I know it's not as cool as chainsaws - but you'd have the potential for some amazing functional 3d CNC work that could push the community forward (especially if you're willing to open-source your work) and also provide you with some very unique patents (which you could use to ensure that the community doesn't get bulldozed by some company that wants to own sole rights to this kind of tech.) I love your content, and expanding it beyond casual youtube shenanigans to create/evolve the industry would be mind-blowing.

    KyleKyle14 tuntia sitten
  • When will you send the lock you made to lock picking lawyer

    thenoobthisisthenoobthisis14 tuntia sitten
  • Should try to use a camera to try to use it as a ref point for the saw blade.

    SergentDeathJackSergentDeathJack14 tuntia sitten
  • Always run your python code with PyPy! Would love to see V2.0 of this! Or maybe that would be 0.2... ;-)

    Ernst SjöstrandErnst Sjöstrand14 tuntia sitten
  • This is how mecha anime start

    dripdrip15 tuntia sitten
  • Could you... attach an axe to the robot arm? I'd bet it would make an even nicer dog. And be even more deadly.

    Ma LiMa Li16 tuntia sitten
  • The editing for your videos has much more personality behind your content. It makes an already awesome video exponentially more enjoyable. Michelin Star for content and another for editing

    Jake BaberJake Baber17 tuntia sitten
  • Can you make a football defence machine 😀😀😀

    Akshay khanapureAkshay khanapure17 tuntia sitten
  • What ever happened to the lock picking lawyer picking your lock

    CC OfficialCC Official18 tuntia sitten
  • Burning blade ... Property sharpen your chain. Great video!

    Jim KJim K18 tuntia sitten
  • It’s such a relief that robots can be just as stupid as me.

    ThecoolyoyoThecoolyoyo21 tunti sitten
  • I love my terms for my ratchets. Pleas come off... I'm not asking...I'm getting annoyed... and my cheater bar is ok f you somthings going to break.

    Sabi1234567890AsdfSabi1234567890AsdfPäivä sitten
  • 15:21 looks like he's been trying to improve the haircutting robot.

    Zack HigginsZack HigginsPäivä sitten
  • "And I knew in my heart I could make a much worse one for free" the words I live by

    ceerw butyceerw butyPäivä sitten
  • This is gold

    Andrew SamoilAndrew SamoilPäivä sitten
  • Your code would be way faster if you didn't use a language designed for text processing...

    Malcolm OMalcolm OPäivä sitten
    • Chainsaw tooth aggressiveness is a whole new problem.

      ceerw butyceerw butyPäivä sitten
  • I love your videos! Thank you!

    OneShotWizardOneShotWizardPäivä sitten
  • Your videos are just excellent man. PS. Somebody knows what drawing software is that on the ipad?, i'm dying to know.

    Jose FerreiraJose FerreiraPäivä sitten
  • Everyone, lets check out his Kiwico!

    Victor BlaerVictor BlaerPäivä sitten
  • Love your content and so impressive how smart you are. For your python setup, could you tell us what it is? Many thanks!

    Victor BlaerVictor BlaerPäivä sitten
  • The dog I think turned out AWESOME wow. Also. Chains on chainsaw bars need oil, if they r not lubricated enough the bar cat stretch and the chain can fly off

    Christopher TylerChristopher TylerPäivä sitten
  • I like how the level of danger in these projects keeps going up with each video, i am expecting an avengers level threat by the end of 2025

    DosankDosankPäivä sitten
  • So this is what Michael reeves would have been had he not dropped out of college to be a crackhead. Nice.

    Albert CavazosAlbert CavazosPäivä sitten
  • take a couple thou off of the anti kickback teeth, it'll be fine

    Logan FlowersLogan FlowersPäivä sitten
  • Starting my kid on kiwi next week!!!!

    Willym WeirWillym WeirPäivä sitten
  • Not an engineer, but am a chainsaw wielder. I think the problem you were having with the wood is a combination of not having the proper chain/bar combo for carving, the chain not being properly sharpened, and not having enough RPMs to cut through it. Solution: Better bar/chain, a good file, and a stronger motor pulling at 12k RPMs.

    PEWPEWPEWPEWPäivä sitten
  • I'm in a robotics coding class in college right now. I relate to the cycle of frustration immensely. "This should work, why doesn't this work? I forgot... I'm just dumb" lol.

    Ben FBen FPäivä sitten
  • This is what happens when your brain is too big for your head.

    J.H. OldmanJ.H. OldmanPäivä sitten
  • 16:47 his face🤣🤣🤣

    CrasheliCrasheliPäivä sitten
  • File your rakers down Bud. That's what we call those in the logging world. 3 to 4 passes with a good metal file on each one of those rakers and you'll be good to go, The chain also has to be sharp or sharpened.

    Jeremiah MeachumJeremiah MeachumPäivä sitten
  • Chainsaw tooth aggressiveness is a whole new problem.

    jeffrey orrelljeffrey orrellPäivä sitten
  • my first Big 3d print was that model... as a gift to cheer up my other half after her parents black lab passed away...

    fatrobin72fatrobin72Päivä sitten
  • Him: "My wife also grew up making things, so I thought it would be interesting to hear from her, instead of me for once" Him: "What's in the box?" Her: "Oh electroluminescent sculptures" Lol

    Bryan ShepherdBryan ShepherdPäivä sitten
  • What app do you use on your ipad?

    Marco PichlerMarco PichlerPäivä sitten
  • hey you could glue together 2x4 pine instead of trying to cut a log of oak.

    Sebastian SSebastian SPäivä sitten
  • Did you forget to add an oiler in your custom chainsaw? Chainsaws need oil in the bar groove.

    Rhyme& ReasonRhyme& ReasonPäivä sitten
    • I thought the same!

      BigcubefanBigcubefanPäivä sitten
  • What about a dart gun for a game of darts or something along those lines? I am disabled and can't really throw a dart to play a game of darts with my friends or family.

    Blain BowmanBlain BowmanPäivä sitten
  • he is saying that is cheaper to make this instead of buying a wood bear for 2k but he spent 900k on this robot

    fernyga1fernyga1Päivä sitten
  • You should come to New Bern, North Carolina. Our mascot is the Bear and we have tons of wooden and ceramic bears outside different shops and parks.

    Andrew FornesAndrew FornesPäivä sitten
  • I think a cage from wire mesh would be more reasonable for safety around the chainsaw-robot

    Rudolf WickondRudolf WickondPäivä sitten
  • Anyone else see ‘dance till your dead ‘ and ‘why are sausage dogs so long’ in the background lol

    DynamiteYTDynamiteYTPäivä sitten
  • Idk maybe I am kinda dumb here but for the coding why would you not start with the points closest to the center and a 360°° Angle (aka twice the same cut) then instead of testing every angle you simply do a half aproximation so it checks 180° next then either 90° or 270° depending on if that cut goes into material or not and so on for about 5 or 10 steps (I doubt a chainsaw would be any more accurate than that. then repeat that for all relevant points until your initial structure. (aka any point that concave with a reasonable precision so points can for example be no closer than 5 cm together which would be about the accuracy I expect for this tool.) Once all those have been computed you simply do the same but in a single cut for all convex points. After that you would have the robot execute the found steps in reverse order. This should result in a reasonably fast program while allowing relative good precision. The only downside to this solution is that holes would be impossible to calculate so for example the dog legs would need to be connected to the body. I have thought of another solution that technically would allow holes in structures however it would only allow low polygon count inputs.

    The European LynxThe European LynxPäivä sitten
  • arent there a bunch of cam solutions that already do all this?

    Salvadore BertoloneSalvadore BertolonePäivä sitten
  • (Oscar, age 5, says) This robot arm is really interesting. I like it when it says "stay back, I will kill you."

    Chris WilsonChris WilsonPäivä sitten
  • Several items that will help out a ton. An oiler for your chain. A chain that is designed for feller/buncher systems. These have more teeth per foot and are more aggressive in cutting. No kickback, your bot has strength in its joints to prevent any kickback from breaking things. The bar itself needs to be twice a strong as a normal consumer level bar. A bar designed for feller, buncher, firewood processor system is higher recommended. Look up Pacific Trail Manufacturing Systems for a decent selection. Make sure it'll fit your current setup, or you'll be cutting a new mount.

    Nighthawke70Nighthawke70Päivä sitten
  • Why not use a genetic algorithm for the search? Its less likely to be stuck in a local maximum.

    Rudolf WickondRudolf WickondPäivä sitten
  • Ok take that robot and put a plasma cutter on it and make the firepits that are shaped like a ball with the cool designs

    JacobJacobPäivä sitten
  • Get a haircut from it

    Ben SBen SPäivä sitten
  • Loose the chainsaw and install a router and use it like a giant dremel, then you will be able to do plunge cuts then you can modify a cnc computer to run your robot arm . Awesome work

    Phil BergPhil BergPäivä sitten
  • Hey. I just want to say that you’re the reason I started exploring more fabrication and tech builds, why I’m typing this in my first ever apple product (iPad Air 4 256gb with gen2 pencil! You made it look so amazing I had to get one!) and why I’m ordering a glowforge soon! (If you do a sponsorship, I’ll happily use your link or whatever.) You still make most of this look like wizardry, but you’ve boosted my excitement for nonsense builds a million fold! I’ve been doing small scale builds, crafting, leather and basic 3D printing, but I plan to get into much more engineering. I have cancer and started crafting as a necessity to help support myself and my mother, but you’ve helped me see how ridiculous and fun it can be. Thank you!

    danteelitedanteelitePäivä sitten
  • *********HELP*HELP*HELP************* If anyone knows any of the songs included in this videio please help me by replying with the title of the song

    Kostas DrakakisKostas DrakakisPäivä sitten
    • darude - sandstorm, look it up

      LuiprLuipr13 tuntia sitten
  • Wonderful proof for what mathematics is important for in engineering and every day live

    DMVMedienDMVMedienPäivä sitten
  • please send your unpickable lock to the lock picking lawyer

    Areeb HaiderAreeb HaiderPäivä sitten
  • BSP. Break the outer material into convex polyhedra, enumerate the planes of the faces of each resulting polyhedron as potential cuts.

    Casey DahlinCasey DahlinPäivä sitten
  • I just want a writing machine that knows my handwriting to complete assignments

  • For those wondering, at 14:30 that's the exquisite "Dance 'till your dead || 10 hours " by Nemesis, not the more mainstream "Dance till you're dead 10 hours" w 52m views.

    dcoog anmldcoog anmlPäivä sitten
  • i hate kiwi co

    Klaas JKlaas JPäivä sitten
  • There is a relatively easy way how to calculate the gradient ascent, even if you have multiple maximum points. Start scanning a linear line, let's say along the length of the object starting near the edge, and record the heights. repeat that with a rough distance, let's say 6-7 mm scanning another line parallel to the first one and recording the heights again. Do it until the object is roughly scanned, which should be a couple of lines, and should happen quickly. Repeat the same on the perpendicular direction along the width of the object, again a couple of parallel lines. Once finished, you have obtained a rough heights matrix. Let's assume that you've discovered that this height matrix includes 3 maxima (maximum points) All you have to do now is get the height sensor to do the standard algorithm of gradient ascent you used before and start with the nearest point next to each maxima and repeat that 3 times (once for each maxima). Once done, you compare the 3 heights you've got and take the highest one, which is your point. In order to avoid mistakes, when deciding on how many maximum points the algorithm should check after the initial scan, just make a condition that the difference between maximum heights should be higher or equal to the distance between the linear lines you measured initially. That way, you reduce the to-be-measured points into minimum number possible. Good Luck Lemogan

    Joe NavoJoe NavoPäivä sitten
  • 1:08 so, the basic idea is attaching a custom chainsaw to the end of a robotic arm. Please, no.

    elorz007elorz007Päivä sitten
  • Permutations not combinations

    Nick WidmerNick WidmerPäivä sitten
  • A chainsaw file and oil go a long way! Depending on how hard the wood is (it appears to be pine, so probably not too hard), you'll need to sharpen the teeth fairly frequently. Speaking of oil, was the feed blocked?

    Duncan AitkenDuncan Aitken2 päivää sitten
    • Also, beef up the motor on the saw, that should help heaps!

      Duncan AitkenDuncan Aitken2 päivää sitten
  • 自然の木は切ってるうちにゆがんできますからね。歯を咥えてしまったりいろいろ難しいことがあるとおもいますけど、面白い発想を形にすることは素晴らしいことと思います。

    kimur ellkimur ell2 päivää sitten
  • this is better than Micheal reeves

    Scarlet BeansScarlet Beans2 päivää sitten
  • Everyone gansta until the doom music kicks in.

    wircreachwircreach2 päivää sitten
  • "And I knew in my heart I could make a much worse one for free" the words I live by

    Caswell ThompsonCaswell Thompson2 päivää sitten
  • 22:10 you can't tell me she's not drunk 🤣

    Kevin PickfordKevin Pickford2 päivää sitten
  • What if you cc’d a giant custom made Dremel instead of using a chainsaw?

    Patrick TarkeyPatrick Tarkey2 päivää sitten
  • You don't have a oiling system witch keeps the chain sharp and the bar lubed and cooled bar oil bro

    Dallas JensenDallas Jensen2 päivää sitten
  • Anyone know the music credits?

    LighdarTheThirdLighdarTheThird2 päivää sitten