Rebuild? Why? - Marble Machine X #142

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A lot of REAL progress this week! I thought it was high time that i tried to give you all some context on why i am doing this major redesign that i am working on right now. Im presenting one theory that might explain the motivation behind the decision to do this redesign. Perhaps the Marble Machine X itself is the Local Maximum, in that case, the current process will lead me to that discovery and i will take another u-turn to find the path to the world tour. Probably i will take the advice that has been given to me so many times during the past years: "Why dont you just play guitar?"
:) Hope you all are are having a great day and enjoy everyone! ;) / Martin

Rebuild? Why? - Marble Machine X #142
Video edited by Martin & Hannes Knutsson
Support the Marble Machine X Project:
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#marble #machine #4K
Thanks to the Marble Machine X Team 2020
►Alex Füßl | Alex CNC | Munich, Germany
►Carlos Montoro | Anjuda Guitars | Madrid, Spain
►Chris Nadon | Aix-en-Provence France
►Dwayne Myers | Safety | Phoenixville, PA, USA
►Ecco Pierce | All Things Ecco | Oakland, California, USA
►Florian Hu | fhuable | Wellington, NZ
►Jacob LaRocca | Rocket Props | Somerville, Massachusetts
►James Passmore | CAD9 Design LLC | Worcester MA
►Marius Hirn | Munich, Germany
►Nick Householder | Florida, USA
►Philip Brown (solo banjo) Winston Salem, NC USA
►Rainfall projects
►Richard Southall | String HeArt | Devon, UK
►Sebastiaan Jansen | Leuven, Belgium (BE)
►Tim Keller | Inventopia | Davis California USA
►Tim Mitchell | CNC Machinist | Nashville USA
►Tobias Gutmann | Tobias Gutmann Prototyping | Munich, Germany
►Tommaso D'Amico | Vancouver, Canada
►Will Francis | Machine Thinking | San Francisco Bay Area, USA
►Blue Sparkle and her great team for this video's subtitles (and many others).
►Grant Lansdell: Great Idea Provider ;)
►Viktor Stenberg, Calle Guldstrand, Gustaf Törner | ProtoCut
►Liam Ward
►David Lewis
►Tobias Smidebrant
►Erik Holke
►CNC Routerparts
►Nathan Skalsky
►Karin & Olof Eneroth
►Matterhackers -
►This Old Tony -
►Thomas Pilot -
►Roys Sheds Perth Australia
► -
Help us caption & translate this video!

  • Ooof that was a brutal angle grinder. Hang in there Martin, regardless of what happens we support you.

    DoodleChaosDoodleChaos9 päivää sitten
    • @Wintergatan YASSSSSSSS

      TheChipmunk2008TheChipmunk20084 päivää sitten
    • Redesign?????? am gonna stop watching i sad a million times Martin has a problem ... i wasted like 3 years following this project ........we all know martin he is perfectionist ,but every thing has its limit.. and i think he is doing this because the channel was not for building the marble machine , so he is scraping the barrel , soo it was fun while it lasted .... bye bye

      JoRasEyezJoRasEyez4 päivää sitten
    • @Wintergatan Hi Martin, You're now reaching epic levels of failure rates with the grinder! ;-) People in the comments below are talking about 6 Sigma standards. I'd also mention that you've reached the stratosphere-- you're now talking about aeronautical design levels of failure. See also ideas about "redundancy" in design and "fault tolerance." Airplane safety statistics might also be helpful to get a grasp of how to pinpoint design durability and weakness. Keep striving for excellence!

      numfortably_combednumfortably_combed6 päivää sitten
    • If you had to approach a completely different, but equally complex machine build project in the future, knowing what you have learned along the way, what would you do differently? Seems to me that you might invest more time testing single prototypes of a sub-mechanism before iterating them across the machine itself - that is, for example, build one marble dropper, and test it with a million marble drops. Then you're only fixing one thing, rather than fixing 20 of the same thing, only to find that the fix isn't sufficient. I'm not saying I would do better myself (in fact I know I wouldn't - I simply lack the patience for this scale and complexity of engineering), and it's also less exciting and less fulfilling to be just testing components, instead of seeing the machine emerge of course. Hope this doesn't come across as critique - I'm actually just interested to know how your methodologies have changed across the course of the project.

      Atomic ShrimpAtomic Shrimp7 päivää sitten
    • @Cobalt 27 try to isolate and figure out which game is doing it. Then inform Martin on whichever media you think he is most likely to see it.

      ramp agent 92ramp agent 928 päivää sitten
  • idk man i think youve entered a black hole

    DanDan56 minuuttia sitten
  • If you're worried about design flaw you can't have metal on wood friction. Might as well change now.

    hypothetical their claviclehypothetical their clavicle4 tuntia sitten
  • this is honestly such an incredible project. making a machine that plays music isn't an easy feat and it is amazing to see you work on this project and refine it to be a music and engineering masterpiece.

    DarkhFyreDarkhFyre12 tuntia sitten
  • Why don't you add another marblegate per channel and reduce the gear ratio, that will give each marble double the time to get settled in the marblegate. You'll have to slim down the design tho to keep the width of the original design

    samilisamili13 tuntia sitten
  • Maybe you could try „Silbergleit“ instead of Graphite Powder. Its more like a paste. I‘m really amezed every time when I‘m using it how much it reduces friction.

    Marco RooseMarco Roose16 tuntia sitten
  • "I'm rebuilding the Marble Machine X!" Germans: 24:49

    DaskutDaskut20 tuntia sitten
  • This is *marbelous*

    Pixel The IncrediboxerPixel The Incrediboxer22 tuntia sitten
  • Martin- I've missed quite a few episodes. But, I had a thought after your Captain Context vid: Are you treating the wooden parts to reduce the impact of humidity? A couple of decades ago, we use to make our robot chassis from plywood. We did our work in Ohio but the competition was at EPCOT in Florida. To avoid the plywood swelling from absorbing water due to the high humidity, we painted the chassis with several coats. Is there a coating on your plywood parts? Maybe it won't be an issue with your smaller parts.

    Joe BalintJoe BalintPäivä sitten
  • You need to link up with Adam Savage

    lexdimond1lexdimond1Päivä sitten
  • This calls for an intervention. Somebody get him out of the shed? Feels like current circumstances take a heavy toll on artists. Nothing wrong with focusing on details but this turns more and more into an unhealthy obsession - called perfecting yourself to death. It's not worth going insane over this.

    Benjamin StadlerBenjamin StadlerPäivä sitten
  • If it were not for this kind of ambition and determination the world would never have the light bulb, the automobile, or the airplane. Keep up the good work.

    KWAKWAPäivä sitten
  • I feel sorry for those ones who are making the 3D model of MMX. ^^'

    Hadley SiqueiraHadley SiqueiraPäivä sitten
  • when i hear brutal, i think of sledgehammers.

    PurpleGuy2779PurpleGuy2779Päivä sitten
  • Someday you'll need some magnetic polarized balls repelling to each other to avoid some noise .. or mechanism .. try adding alternated magnet binaries .. if they repels each other there is no reasonable motives to the marble to get stocked .. cause it will flow by magnet repulsion almoust for about forever..

    Evan StuntEvan StuntPäivä sitten
  • Martin, why is it that in many of your videos the sound is sometimes out of phase and a moment later (next edit step) back in phase again?

    ronroozronroozPäivä sitten
  • Bruh

    UraneumUraneumPäivä sitten
  • Why? YT-Money for this "never ending story"!

    Baron MünchhausenBaron MünchhausenPäivä sitten
  • Piano Technician here, I would advise against using Graphite Powder. In pianos it is useful for the short term, but eventually it gums up. Some "technicians" use graphite so much that it ends up everywhere, and those parts need to be cleaned or replaced because the friction becomes unmanageable. Instead I would recommend using Teflon powder, very sparingly.

    Anson OldsAnson OldsPäivä sitten
  • An alternative to graphite is High-Density Polyethylene (HDPE) . It's like a low-friction plastic material that should be pretty easy to machine.

    Abe DillonAbe DillonPäivä sitten
  • At some point, you gotta lock in the design (flaws and all) and push future improvements to MMX 2.0 After the world tour, you'll have money for all sorts of fun tools.

    Abe DillonAbe DillonPäivä sitten
  • I think your math is off. If you do something 100 times with a 99% success rate, than you have 0.99^100 = 0.366 chance of it working. Obviously not good enough, but that's still not 100% chance of one failure. A 99.99% success rate 3600 times is 69.76%. Increasing success rate by a single nine gives you 96.46%! If you want to play the machine ten times a day with a >95% success rate (less than one failure a month), you need each individual operation to have a 99.9999% success rate. Which is probably beyond standard engineering. NASA quotes figures like 99.74% success rates for engines. Have you considered finding ways to recover gracefully from a failure?

    Willaby UbertonWillaby UbertonPäivä sitten
  • me: doesn't watch wintergatan for a few weeks, come back. martin: I've replaced half of the machine. Wow what an improvement. The lack of noise on that runthrough :o it's beautiful

    EthanEthanPäivä sitten
  • He is not crazy, just devoted. I support you Martin!

    MantraHerbInchSinMantraHerbInchSinPäivä sitten
  • yeah... lets start all over again.... at this point this is so stupid

    Martin A.Martin A.Päivä sitten
  • I changed my mind:"never" - period.

    Jörg JohowJörg JohowPäivä sitten
  • you have the coolest job ever.. if you can call it that. incredible.

    Carson KendallCarson KendallPäivä sitten
  • 15:38 Good spot, Martin!

    Somebody_ElseSomebody_ElsePäivä sitten
  • I hear your ‘feels’ 100% :o) I ran the same race car 4x4 from 1993 to 2020 and it got changed many times. Around 2011 I took an angle grinder to the back and was cutting out redundant brackets from 1993. It was bad/good feeling. It was waaay better for it. *At the moment I am making a Mamod steam car into a Gscale rail car. I will have a small box of prototype parts that each took hours to make. :O

    teamidristeamidrisPäivä sitten
  • @wintergatan, Auction off your spare parts as souvenirs.

    LangyXLangyXPäivä sitten
  • Not gonna lie. I don’t care about any sort of reason. I’m not gonna stick around for someone to rebuild the same thing over and over and over and over again. Been here for years now. Watching you do this so many times is just monumentally disappointing. Keep screwing yourself, the people who help you, and your fans. Just finish the machine dude. Probability and what actually will happen can be two entirely different things. But oh well. Just milk a Patreon for years with no finished product.

    YourResidentRedlegYourResidentRedlegPäivä sitten
  • 9146 X 5 = 45,730

    Frank WellsFrank WellsPäivä sitten
  • I Can hear the cad team screaming

    Jonas PihlJonas Pihl2 päivää sitten
  • "All my friends have at least one friend like that." Hmmm... checks out.

    Jamie KawabataJamie Kawabata2 päivää sitten
  • You build it, man!

    wilson langeaniwilson langeani2 päivää sitten
  • This is a prime example of why I unsubscribed from this channel. What will you redesign next? You can spend the rest of your life on continuous improvements. I can see it now Episode #507 - Marble Divider Version 8

    Ro PaulRo Paul2 päivää sitten
  • I wish I was this brilliant.

    Chuck DChuck D2 päivää sitten
  • I think it would be better to design the MMX to be serviceable, to have easy to replace parts and ways to recover from failure quickly

    Rafael PernilRafael Pernil2 päivää sitten
  • I am not sure if you want to get your machine complete. Wth?

    Niko ShropshireNiko Shropshire2 päivää sitten
  • Well your probability math is a bit poor there but okay, u can't really say u have a 99% stability rate based on 100 marbles, that is not a dynamic probability. What you are looking for is stability, meaning a 99.9% probability for each marble to go through the system successfully, if after this you can start calculating using the probability of instance 1, and put the number of attempts as a power of. Probability of a marble stopping within 3584 time(s) at 99.9% probability = 0.9993584 = 0.027714675751556 = 2.77% So at 99.9% you'd actually have a 2.77% failure rate for each time you played the song, that is more than acceptable.

    Skillfully ExecutedSkillfully Executed2 päivää sitten
  • 25:43 "I know my friends have at least one friend like that" That one cracked me up :D

    MC FalkensteinMC Falkenstein2 päivää sitten
  • 4:35 Hey guys, ChrisFix here

    Diário de um casal vikingDiário de um casal viking2 päivää sitten
  • Lolz that graph about the local max is hilarious

    CharlieCharlie2 päivää sitten
  • Your transparency is so refreshing Martin. Been a fan for quite a while and love how much detail you give all us fans. Cheers and Stay Safe.

    CharlieCharlie2 päivää sitten
  • Martin Don't you dare quit on this! You can get it to work I know you can do it!!!!

    nursefuzzywuzzynursefuzzywuzzy2 päivää sitten
  • You should make a "Loctite usage" counter next video of assembly lol xD

    MeMuXMeMuX2 päivää sitten
  • I wonder if we'll get a remake of the marble machine song on the new marble machine i really hope so :3

    AlexTheFluffyBoiAlexTheFluffyBoi2 päivää sitten
  • Service with a smile

    Pete HydePete Hyde2 päivää sitten
  • What program do you use for your cnc router?

    Michael NioMichael Nio2 päivää sitten
  • I hope I can see my name next time. QAQ

    風見隼人風見隼人2 päivää sitten
  • I have followed your progress in making this masterpiece. I'm very inspired! But at this point it looks like you are too emotional to do this brutal angle grinder. If you discuss this first on FIstream before act, I will advise you to make an MMX version, finish your work in stages, don't destroy what you have previously made, make a new one that is better without destroying the old one. nothing is perfect, perfect is respecting imperfection But I respect your decision. Just don't get discouraged Martin. I hope the best for you!

    Candra ShalahuddinCandra Shalahuddin2 päivää sitten
  • As a Software Developer I can really relate to the complexity and sometimes to the necessety to redisgn things...

    SimorenariumSimorenarium2 päivää sitten
  • 24:49 Nein! Nein! Nein! Nein! Nein!

    HackdIluminattihaterHackdIluminattihater2 päivää sitten
  • martin the 371 thousand people that watched this video are the real supporters

    Th3f0xman McTh3f0xman Mc2 päivää sitten
  • In other words, songs for the tour are not ready, building life in France is cozy and COVID allows to postpone completition undefinetey

    G erman C arrascoG erman C arrasco2 päivää sitten
  • So this is what I'm wondering... Isn't the likelihood of a master musician missing a note greater than 0.00001%? And isn't the likelihood of a string failing on a guitar greater as well? It's starting to feel like you're chasing precision that might actually be unachievable. The Lego company has some of the most accurate and precise manufacturing of any factory in the world, and 18 out of 1 000 000 pieces are faulty. That's 0.0018%, that's a lower precision than you are aiming for with the MMX. You are building a machine at least partially by hand with the goal of it having higher precision than some of the most sophisticated machines in the world. I'm worried that your unwillingness to compromise could make the completion of the MMX impossible. I admire the dedication, but this is the first time watching these videos that I've truly felt that you might be aiming towards the unachievable.

    NaiOniNaiOni2 päivää sitten
  • As a comparison, how did the original marble machine fare stability-wise? I know a lot of marbles dropped to the floor, as can be seen in the video, but how much work was it to get one song out of the machine?

    TeddTedd2 päivää sitten
  • No one..... German Engineering: Lets make a band using marbles

    Tausif aliTausif ali3 päivää sitten
  • classic to steampunk

    KoaweiKoawei3 päivää sitten
  • With the graph Martin I just got to say I completely support you, but as a machinist I know that if you are dealing with anything mechanical you are going to have failures. Nothing will be perfect you can get close but nothing in this world is perfect.

    Daniel BrendemuehlDaniel Brendemuehl3 päivää sitten
  • What you described is 6 sigma standard there are training books to reach that standard in the engineering process. Most automotive industries follow it

    chatparesseuxchatparesseux3 päivää sitten
  • One of the most dedicated individuals I have never met but the most intriguing single person I've watched on youtube or anywhere. I've watched your progress from day one on the last build and now this new one. What a journey. I could never follow in your ambition footsteps. I envy you sir. And GL on completion. And god damnit you better complete this!

    Ev3rM0r3Ev3rM0r33 päivää sitten
  • Welcome to the 5 9's club!

    ForgeForge3 päivää sitten
  • 7:58 If you were going to bore me, I wouldn't be watching you. Keep going, you're doing great.

    Rai KanegasiRai Kanegasi3 päivää sitten
  • been following this for what feels like years now. really cool to watch the different iterations and major breakthroughs you have periodically.

    zerohm mzerohm m3 päivää sitten
  • At this rate I don’t know if it will ever get finished.

    kyky3 päivää sitten
  • "In mathematics you don't understand things. You just get used to them." - John von Neumann

    vinasu maajvinasu maaj3 päivää sitten
  • You're kidding me.... just finish the machine already!

    Tony CTony C3 päivää sitten
  • HENCE!!!

    DamalycusDamalycus3 päivää sitten
    • the last part about stability hits home as a software engineer

      vinasu maajvinasu maaj3 päivää sitten
  • Martin... I stopped watching this amazing project because... you tripping dude. You should know where is healthy line because MMX is not your project anymore, its obsession.

    MrCyssiekMrCyssiek3 päivää sitten
  • Martin: takes out angle grinder Cad team: NONONONONONONONONONONONONO

    DrewDrew3 päivää sitten
  • 20:00 Explanation

    Jakubiak KosJakubiak Kos3 päivää sitten
  • I love what you've done and what you're doing!! It's so much more than a build - it's instructive. My son is currently embroiled in a senior project at university. It's a device that four students conjured up in a spitball session and now they're tasked with building it. It has electronic and mechanical components but I'm convinced that the lesson is elsewhere - the lesson is the human components and learning to usher resources. The likelihood of a device that four kids agreed to build based on an hour spitballing ideas will work is slim to none and not really important. I concluded this having watched our eldest go through a similar "senior project" at another university. It was, by my estimate, not successful as a product, but what his team learned about engineering and management was priceless. Thanks again for all you do!!!

    Steven KozloskySteven Kozlosky3 päivää sitten
  • Don’t give up! You have made too much progress to turn back!

    Carter LaubachCarter Laubach3 päivää sitten
  • November 2036 : 6th rebuild of the MMX on the way, we think it will be ready in 2 months...

    Omnihil777Omnihil7773 päivää sitten
  • this whole project is proof that engineering and art can coexist also i'm from chicago, i have no idea if it's actually a 'chicago' or 'boston' screw, but apology accepted anyway also also, if you look briefly at the history of machines moving really fast, before the industrial revolution there was no real concept of machinery failing through normal use. things didn't move fast, you didn't have a part that was being used hundreds if not thousands of times a second. so when things started breaking on the big expensive new machines it took a collective brain blast from engineers to figure out what was happening. you basically went through all of that independently. i went to engineering school, i'm not even sure if that's where i learned about the problem. if it was they mentioned it like once and never again. the biggest breakthroughs of the past have become so common that they aren't even considered important enough to be common knowledge

    Exploding CrowExploding Crow3 päivää sitten
  • Noooo don't give up :o

    Jasper CattoorJasper Cattoor3 päivää sitten
  • Yes, exactly, I mean WTH? WHYYYYY

    Jasper CattoorJasper Cattoor3 päivää sitten
  • You are so geneous

    nur farrahananur farrahana3 päivää sitten
  • Hi Martin! Before I say anything else please know how much we appreciate you and how much you have inspired so many of us!!! I had this idea... what if you take any of the parts you removed and won't use again and auction off some of these parts to help raise money for upgrades, stir up some hype and excitement and allow some of us to donate and possible win a piece of MMX history and display it in our homes while we continue with you on this journey? Thanks for reading my comment and thank you for being so awesome!!!!

    Shankara RhuddlanShankara Rhuddlan3 päivää sitten
  • noice

    CarColleRoteCarColleRote3 päivää sitten
  • level

    soniyu ziuysoniyu ziuy3 päivää sitten
    • ... will last months. The difference is remarkable :)

      soniyu ziuysoniyu ziuy3 päivää sitten
  • 6:12 - Thumbs up for a perfect transition and a perfect illustration of your point!!! Nicely done.

    Sean LyttleSean Lyttle3 päivää sitten
  • the last part about stability hits home as a software engineer

    Jacob JohansenJacob Johansen3 päivää sitten
  • Teflon shims could also work as a friction reducer without the need to reapply the graphite lubricant over time... its what's on the bottom of mice

    Jacob JohansenJacob Johansen3 päivää sitten
  • Ok, I get why you are using water - to keep your bits cool. But why not Cutting Oil (the stuff you use when your tapping Threads) ? Water can lead to rusting (if you are using Iron), but tapping Oil tends to really cut down on friction, is great at cutting holes too. Sure you have to degrease after words, but still Water can be hard on drill bits.

    Blacklab412294Blacklab4122943 päivää sitten
  • as for ur diatribe re global maximum/local maximum, u spent a great deal of time reciting info/math that doesnt matter. the bottom line is, examining any musical instrument. They all work perfectly. PERFECT. saxophone? every time u press a key, it opens the right amount and closes the same way, every single time. guitar, same. trombone, same, violin, it doesnt matter. the beauty is how perfect they work. the side affect is, how easy it is to determine the value by how well it is built and the material used. but the design is the same, and remains unchanged. this also isolates any variations in sound quality, is a result of the amount of skill/talent of the musician. the beauty of ur marble machine is due to the dichotomy of how complex it is, while still being able to create awesome sound. but, therein lays the problem. IT IS COMPLEX. meaning there is chance of mistakes during assembly, or maintenance, or accidental impact, and not being able to ID what might have been impacted, and or causing more damage by not being diagnosed properly then getting used more and more but, asis abundantly apparent, the creation of music is not the primary achievement. the design/assembly is as much of marvel as you cranking on a lever and pressing/pulling on levers and buttons all of it is evertainment, proving reliefaaaaaa to me and many others and for that, I thank you

    bill bergovoybill bergovoy3 päivää sitten
  • oh no. no no graphite powder is awesome, but not on unfinished / raw wood. if friction is a concern, you should have done a couple different things. over cut the slots, then install a low friction material where the metal parts slide on the low friction material. or, you can sand the slots, by working thru the sand paper grits, up to the highest grit you want. maybe 1000g? or, u can again sand the slots/grooves, but no need to go upward of 220g sandpaper. Then apply a few coats of sanding sealer, lacquer base. (dont let the name, 'lacquer' scare u off. This is the easiest material to apply and get awesome results. It will also penetrate deeply and allow super easy sanding. after a few coats of lacquer you can apply a few coats of wax car polish This will give u the best low resistance surface possible. the graphite is messy as you now know. but the bigger problem is that it will GUNK UP. it will get moist, attract oils, water, and gum up, creating a bigger problem whereas wax wont have any problem, except the chance of over maintenance, which can be fixed relatively quickly/easy. anyways, good luck

    bill bergovoybill bergovoy4 päivää sitten
  • “Maybe I SHOULD give up” Everyone: *No*

    Comic FoxComic Fox4 päivää sitten
  • See nothing is perfect so we have to work harder and harder to achieve that perfection

    Valsa samValsa sam4 päivää sitten
  • Hey Martin. Professional Software Engineer here. The 99.999+% case you are making also applies in Software Design. However, at some point, failure WILL happen. Even if you have optimised here 99.9999999% failure WILL happen. This is why you also should consider Resilience, or the ability how to deal with failure. For example, Tesla cars have a complete redundant computer system. In case one fails, the other will take over. (the same applies to their sensors) I don't know how to apply the resiliency principle to your project, however, only considering "failure resistance" might not be enough.

    bitbrainbitbrain4 päivää sitten
  • Made a joke last year that I can't wait till 2031 when it finally will be complete. Now it's starting to look like I was being a little eagar, I'm pushing it back to 2035...

    MEGADEUSMEGADEUS4 päivää sitten
  • A BANANA 🍌

    bitbrainbitbrain4 päivää sitten
  • It went from all wood to stainless steal and metal and stuff

    n_wordmassV.3 .ͤ̀͋n_wordmassV.3 .ͤ̀͋4 päivää sitten
  • you could make so the machine auto fixes itself, when a marble is stuck it could be released out of the way.

    *ArcanHage**ArcanHage*4 päivää sitten
  • I find putting a wrecking ball to personal work for redesign is refreshing. I'm a programmer and do this often. My best work is done when something is lost and I have the replace it using what I learned to my advantage.

    kainpwnsukainpwnsu4 päivää sitten
  • Good time to add a 1 or two octave virginal? 3D print some biotin to pluck strings, and build a rolling mechanism with per key enabling levers that drive an open clutch accept when programming tabs turn the adjusted cogs for a pluck? :-)

    George GeorgalisGeorge Georgalis4 päivää sitten
    • Actually, why is the inside wheel empty? Wish there were a 2 octave harp in the middle. Or, just a click track generator driven by gravity, the biggest marble of all, and programmed on the inside of the wheel...

      George GeorgalisGeorge Georgalis2 päivää sitten
  • You can't unsee the bunnies.

    ruddyadamruddyadam4 päivää sitten
  • Tip regarding graphite that may be useful in normal life for people who aren't building a world class musical instrument... or maybe even if you are. If you have a key that's difficult to insert. It's probably the LOCK itself... but rubbing a pencil (the higher the B rating the better, but HB (#2) works) on the key and inserting a few times, maybe repeat the rubbing ... will last months. The difference is remarkable :)

    TheChipmunk2008TheChipmunk20084 päivää sitten
  • Never give up my son

    oldjeff100oldjeff1004 päivää sitten