Making chainsaw robot, carving logs

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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:
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* 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 HereUukausi sitten
    • I was wondering, would make something similar to Rodney Dangerfield's golf club bag from the movie Caddy Shack?

      Derek J. Teague QuèsoDerek J. Teague Quèso18 tuntia sitten
    • I am happy with the safety precautions taken myself, however, might I recommend locking out your killer robot chainsaw death arm. Despite the mild inconvenience in future endeavors.

      Cam EronCam Eron3 päivää sitten
    • You should try treating the wood like it's metal

      Abraham HannafanAbraham Hannafan5 päivää sitten
    • Where is the lock for lock picking lawer?

      Timothy van den bergTimothy van den berg5 päivää sitten
    • 200th reply

      Stacie MohlerStacie Mohler7 päivää sitten
  • The guy from the county fair was sweating bullets there for a second. About put him out of a job 😂

    Braxton SmallsBraxton Smalls2 tuntia sitten
  • Was the chainsaw blade going in the right direction?

    Adam CreedonAdam Creedon3 tuntia sitten
  • So cool

    Lasse LundLasse Lund4 tuntia sitten
  • Great video! I have often felt like you did when generating toolpaths and have come to love black-box function optimizers for cases where I know the problem is "kinda convex" and just don't feel like debugging the math!

    suckerpinchsuckerpinch6 tuntia sitten
  • make a robot that plays piano so it can play rush e on a real piano that would be fabulous

    flare21flare217 tuntia sitten
  • Software only, yessir, I see NO hardware work being done here.

    Joseph BallJoseph Ball9 tuntia sitten
  • The sponsor segment was so cute and wholesome and I loved it

    Darkmoon SlayerDarkmoon Slayer14 tuntia sitten
  • Thought that was 2x4 was thinking you spent 200$ on work XD

    Outlawed ModderOutlawed Modder17 tuntia sitten
  • Oh how many times I have had a CNC machine cut into itself accidentally. They really will do exactly what you tell them to do.

    NoStereoNoStereo18 tuntia sitten
  • Lmaooo CNC machine will only do what we tell it too!!!

    Justin MacJustin Mac21 tunti sitten
  • Im a certified machinist! And I love your channel bro.

    Justin MacJustin Mac21 tunti sitten
  • I just died when I saw the brazillian dog meme on the upper screen.

    Misac TibaMisac Tiba23 tuntia sitten
  • Killer robot and killer chainsaw switches killed me 😂

    Dz HDz HPäivä sitten
  • Shows how powerful the mind is vs a computer lol an artist carves the wood in 15 min lol

    matt pmatt pPäivä sitten
  • Already got the kiwi 😎 daughter loves it

    Michael SaveliffMichael SaveliffPäivä sitten
  • The brawny bongo essentially mourn because kilogram connoly approve before a hallowed gate. unsightly, quiet dugout

    Cooking ParkerCooking ParkerPäivä sitten
  • 3:05

    90Entergetical aka Bot314190Entergetical aka Bot3141Päivä sitten
  • Gagslosh.

    KatKatPäivä sitten
  • Why are weener dogs so long?

    DigitalDigitalPäivä sitten
  • 17:27 Anti kickback tooth ? That tooth has nothing to do with kickback at all. That is your depth guide tooth. When your cuttingtooth on your chain gets filed down, you also need to file down that tooth so the depth of the cut still is correct with the cuttingtooth. If you only file the cuttingtooth, your chain isnt going to cut at all because the guidetooth would be the only tooth that have contact with the wood. And ofcourse, if there wasnt any guidetooth the cuttingtooth would cut to deep and get stuck all the time. Great video tho!

    Tobbe BTobbe BPäivä sitten
  • do have the chain back wards?

    Rex MuellerRex Mueller2 päivää sitten
  • you would need a custom made chainsaw for that arm

    DanielDaniel2 päivää sitten
  • "...i could buy one , but their really expensive...." ...has a robot arm for 20k in his shed ....xD

    Krispy ChikkenKrispy Chikken2 päivää sitten
  • How about we pay artists for their work

    B BabbichB Babbich2 päivää sitten
  • How far away are you from being able to build an iron man suit

    CopeCope2 päivää sitten
  • He said cut like 7 times in one sentence

    Fuller FamilyFuller Family2 päivää sitten
  • Please fix the World!

    Two Dogs AndaManTwo Dogs AndaMan2 päivää sitten
  • Hey could you make a pip boy 3000?

    Bernardas svirplisBernardas svirplis3 päivää sitten
  • What ever happened to lockpicking lawyer trying to pick your "unpickable" lock?

    TubeNut NuttingtonTubeNut Nuttington3 päivää sitten
  • Okay I'm a little late on the comments to this one but a couple of suggestions for your chainsaw. I know you said you wanted to keep it shorter but a longer bar needs a longer chain with more links and more links doing the same cutting equals less work for each cutting link and it would wear out faster causing your bladed doll and not cut which leads to more friction and the fire. Or perhaps try a higher quality chain that stays sharper longer. Another thing I didn't notice as part of your mechanism was any type of lubrication system for the bar, typically with a traditional chainsaw you've got bar lubricant that also cuts down on the chain friction. And depending on the type of chainsaw bar you are using higher quality chainsaws have better rollers at the end of the bar with higher quality bearings.

    Johnston JourneysJohnston Journeys3 päivää sitten
  • When will be the new video??? :/

    Dimitar PetkanskiDimitar Petkanski3 päivää sitten
  • Ice cutter

    Javi HabiJavi Habi3 päivää sitten
  • I have an idea for a project try making a hydraulic version of a human arm using hydraulic for the tricep and bicep but custom make your hydraulic so you can fit a blank cartridge in it and put a firing pin and when the cartridge goes off it will cause the lower arm to extend and destroy any thing in front of it

    Reality DiscoveryReality Discovery3 päivää sitten
  • pretty damn cool

    KeithKeith3 päivää sitten
  • You could file down the depth rakers on the chain which would allow the blade to make those cuts where it was getting stuck. Just be careful cuz if you take them down too far the saw will wanna pull itself into the log where its cutting straight like it would normally if you were cutting a tree branch.

    Liam FanningLiam Fanning3 päivää sitten
  • 4:24 what programme is that?

    ZiomalkapuchaZiomalkapucha4 päivää sitten
  • I think just a little bit more research on chainsaw blades and cutting angles, especially those used by those bear carvers would have made the wood version completely doable. Doesn’t exactly work the same as a CNC routing bit or a hot knife.

    mikemakesmusic7mikemakesmusic74 päivää sitten
  • 22:15 i thought that was a cat lol

    huh woahhuh woah4 päivää sitten
  • Why won't you simplify the the cutting to top down and side view for the initial cutting? The code would be a lot less and it would be easy to find which cuts cut the most material. Once the the General shape is defined, you can start using the tedious apple peeler method that turns the wood into sawdust.

    ODETHIOUSODETHIOUS4 päivää sitten
  • What's the app he uses on his ipad for the blueprints and drawings

    El PadrinoEl Padrino4 päivää sitten
  • So, I'm watching a big domino setup and tip-over... Then I thought, "Has someone made a perpetual follow-the-tipover-and set up the dominos so the tip-over loops on itself and ever stops?" Hmmmmmmm.

    Russell StephanRussell Stephan4 päivää sitten
  • Is that a tablet or laptop you are using? Im a Mac user and have little knowledge on windows products. Also what drawling program are you using when you showing the problems you are tying to figure out around 11:28 in the video? Thanks!

    Tim WegrynowskiTim Wegrynowski4 päivää sitten
  • Can you make a backseat driver G code interpreter? It hollers out instructions with various insults, then something listens to it and executes it?

    jcimsjcims4 päivää sitten
  • You look like Dee from always sunny if she was a man

    emadrioemadrio4 päivää sitten
  • I'm seven minutes in thinking "Why didn't he just... Buy a smaller chainsaw bar?" I guess I'll see if he thought about it soon... The way I'd try and figure out where to cut needs to be is Ray Marching, find the longest path that gets the closest to the intended shape, although I'm not experienced in coding, engineering, robotics, or anything else remotely useful in this situation so that might be an aweful idea. Oiling the chain might help with the overheating problem, won't help it cut though

    Jordan L.Jordan L.4 päivää sitten
  • Video idea: A crossbow/bow that never misses, perfect bullseye every time with robotics/code :)

    NyxNyx4 päivää sitten
  • I'm a PhD student. This guy could honestly write academic papers in several different fields if he wanted to. Just listening to him describe optimization algorithms and the trade-offs behind each really shows a level of intuition that inspires me to keep going whenever my code isn't working or my results aren't making sense. He doesn't stop trying until it works. That never giving up mindset is what inspires me more than anything else.

    Kiran KokilepersaudKiran Kokilepersaud4 päivää sitten
  • what is the app he uses on the iPad?

    Connor DodgeConnor Dodge5 päivää sitten
  • Maybe next episode robot haircut?:D

    ifig doimuddaifig doimudda5 päivää sitten
  • Stuff made here’s secret alter ego is Mert the Chatroulette musician. You heard it here first

    Michael KuraszMichael Kurasz5 päivää sitten
  • Brazilian flag + dog at 14:30

    Sithion taSithion ta5 päivää sitten
  • a simple solution to your gradient ascent problem: the genetic algorithm. instead of just 1 starting point, start with several. some will get stuck in the false summits, but there will inevitably be some that make it to the real one. you can continue the algorithm by taking the most successful ones, averaging their starting points, and starting another generation. but, if there’s not that many summits, you’ll likely find the real one quick enough.

    klutzedufusklutzedufus5 päivää sitten
  • Make a robot arm that always does a strike or throws what you want! That would be really cool.

    tom marynissentom marynissen5 päivää sitten
  • Any update on the lock sent to Lock Picking Lawyer?

    Jeremy EanesJeremy Eanes5 päivää sitten
  • dude your channel is great soo funny and entertaining

    Dirt DawgDirt Dawg5 päivää sitten
  • Where is the lock for lock picking lawer?

    Timothy van den bergTimothy van den berg5 päivää sitten
  • So.. the question that I guess many people here want to ask - when are you going to make an iron main suit?

    Eugene KoshanofEugene Koshanof6 päivää sitten
  • Do an autonomous lawnmower

    Tommy ScheperTommy Scheper6 päivää sitten
  • "you should make one in wood......" best part

    Hapi hapHapi hap6 päivää sitten

    Guåhan671 BassGuåhan671 Bass6 päivää sitten
  • Hey Jarvis, make a bear with a chainsaw.

    VidaGoGoVidaGoGo6 päivää sitten
  • 14:31 Brasil huehue

    janelagrande1janelagrande17 päivää sitten
  • lol i have the same computer mouse as him, im lucky ig

    sanjum2sanjum27 päivää sitten
  • Is the music at 18:39 an upbeat FIboth sound library cover of Pink Floyd's "One Of My Turns"?

    Chris RaChris Ra7 päivää sitten
  • Hi, thankyou for the Awesome info-tainment!! I found this company ' engineair ' that makes frictionless, superlight, powerful compressed air powered motors. i thought you could use them with your robotics. if ever you wanted to maybe build a mech suit :)

    Dean KeysDean Keys7 päivää sitten
  • Bro, you should get some dust extraction for your chainsaw. Health is important.

    josh banksjosh banks7 päivää sitten
  • Does anyone know a way to avoid the local maximum problem in his software? At 10:23

    MrZapper1960MrZapper19607 päivää sitten
  • How about making a laser sighted sling shot where the laser dot location is predicted.

    Cyrus RamseyCyrus Ramsey7 päivää sitten
  • 10:25 how much is that book

    Stacie MohlerStacie Mohler7 päivää sitten
  • an omnitrix?

    Tanmay SinghTanmay Singh7 päivää sitten
  • amazing sum of must be the happiest person on earth..why not richest one?

    Fahad ijaz IjazFahad ijaz Ijaz7 päivää sitten
  • Your scientists were so preoccupied with whether or not they could that they didn't stop to think of whether they should. ... but if they had, they'd have still done it, because this is FRICKIN' AWESOME.

    Agent VXAgent VX7 päivää sitten
  • What is the illustration software that is used?

    larsmarklarsmark8 päivää sitten
  • Hi. Idea: vid of making car windows go up faster...they're simply too slow for my liking. You could test the limits of acceleration & deceleration of the glass, safety detection of someone's hand, explore most powerful motors that fit. Fastest car in the world = basic. Fastest car windows in the world = engineer.

    mozzavansmozzavans8 päivää sitten
  • i love the sitcom vibes every time ur wife looks into the camera in disgust

    VALLEYVALLEY8 päivää sitten
  • dog cut from wood i love it

    Rohan RajRohan Raj8 päivää sitten
  • My brain cells hurt but can't stop watching your videos,....amazing content.

    Gift MGift M8 päivää sitten
  • YO!! check this out ( [no rick roll YT: Dope Tech: Camera Robots!]) then try again with a gopro attached to the tip. You know how to do the rest, excellent video. Would it be better to move on the console? Xbox controller?

    AlexAlex8 päivää sitten

    AlexAlex8 päivää sitten
  • I was really hoping he was gonna make the machine

    FG PoorFG Poor8 päivää sitten
  • I have zero experience but would it be easier to start with polygonal bear model from Thingiverse or something and just cut the slices to match surfaces(low poly Proly easier)then have your code eliminate the weird inner cuts, finally a surface area version of "don't colour over the lines" code. easier said then done obviously but its just my Idea

    3D_cyClopz _3D_cyClopz _8 päivää sitten
    • Match plainer slices with the flat parts, kind of a given that it was gonna end up being low poly looking regardless right

      3D_cyClopz _3D_cyClopz _8 päivää sitten
  • Your gradient descent approach would have to sample the space of possible solutions and basically try for each of those sample and keep the most successful one. An alternative approach could be a genetic algorithm where you have a million small wood cutters that try out all kind of (initially random) series of cuts and you kind of keep the most successful ones where you vary the cut a bit to see if they can become even more successful. Just don't overfit, but you'll figure that out while reading more about it.

    MaggnetMaggnet9 päivää sitten
  • What if instead of a robot arm, you constructed a chainsaw attachment for a modified roomba and used it to cut your lawn?

    conner hartmanconner hartman9 päivää sitten
  • To solve the problems when cutting with the tip, just grind a little bit off of the anti kickback depth stops...

    Henning S.Henning S.9 päivää sitten
  • Hell bro your wife looks like lena paul

    Chanikya .AChanikya .A9 päivää sitten
  • where do i buy useless block v1.0

    WhamboyWhamboy9 päivää sitten
  • amazing teacher

    UNCO STEELEUNCO STEELE9 päivää sitten
  • Did you try to make the chainsaw light sensitive but you would have a use a dark color and trace it

    xander shaverxander shaver9 päivää sitten
  • Yo dude this creation could end up to be the catalyst for a new movie with Will Smith called "I Robot chainsaw massacre"! 😂 All joking aside you are a freaking genius! Keep up the great projects!💪

    Salvador W. EmpentSalvador W. Empent9 päivää sitten
  • Woof that was ruufff but you did it!!!

    Jeremy HurtJeremy Hurt9 päivää sitten
  • All the past few episodes are perfect length for tv there are even ad breaks kind of built in for a 30 min show do u think that is what they're pitching or is this channel some weird industry plant because he came out of nowhere with low video count huge subs and tormach as a very early sponsor. Idk if it is because he is that great of a creator or if there are other factors but the fact that I can't tell says a lot. I like the vids but I do wonder

    ryan nelsonryan nelson9 päivää sitten
  • you need bar and chain oil or a chainsaw wont cut wood lol :D

    deafmute420 _deafmute420 _9 päivää sitten
  • no chain oil.

    Emmanuel4551Emmanuel455110 päivää sitten
  • Music name in 19:21 please?

    MaxMax10 päivää sitten
  • I came here from your videos of 2 home-run bats, and I suggest you to spin the gun bat in the spinning machine....

    복어뮤직 VOCFISH Music복어뮤직 VOCFISH Music10 päivää sitten
  • "Free" Imagine just the hour cost to have this dude in the room :P

    Nico NicronixNico Nicronix10 päivää sitten
  • Dog? I thought she made a cat. Awesome in any case.

    Lord KnightymeLord Knightyme10 päivää sitten
  • HAHA! Esse dog na camisa dele é de um meme brasileiro :D

    Kaio MaiaKaio Maia10 päivää sitten
  • A bear cut out of wood, you said it cost thousands of dollars, start selling them on eBay for half price, get free wood from a tree services company, sell 30-40 of them and make it profitable

    Stannis BurnsStannis Burns10 päivää sitten