The sizing of the gears was pretty crude – I took the number of teeth for each gear and multiplied it by the mean module for all gears (0.47, from the ISAW paper). Thingiverse is a universe of things. Students are gradually introduced into the 3D printing technology, its application and potential and are assigned a challenging collaborative project in which they have to study, analyze, design and build, using the 3D printer of their school, an operational model of a renown ancient artefact, the so-called Antikythera Mechanism. Designed and build around 205 to 60 BC, It was found in 1901. My personal pleasure in this gadget is what it says about the mindset of its creators, and the direct association they had with the Earth and Cosmos, I reckon they are the precursors to Quantum Mechanical thinkers because everything they said and did was timed to, and for the reason, that the stars and planets acted out above them. Firstly, the Antikythera Mechanism was quite possibly based on the mathematical scope put forth by the earlier Babylonians, as opposed to the later-developed Greek trigonometry. I have a design in mind so will just have to see how it pans out – can’t wait to be honest to see it start taking shape. 100% 3D printed interpretation of the Antikythera Mechanism. Learn more. The Antikythera Mechanism is an ancient Greek Mechanical Computer, often called the first Computer. Great work on this! My own reason was that that I think that, if the Antikythera Mechanism builder knew the modern gearing theory, surely he did choose it to his work. Work fast with our official CLI. If nothing happens, download GitHub Desktop and try again. The modern gears (evolvente) have already a small tolerance. The gearing shape that I choose to my version is the 20º evolve (modern gears) one, opposite the original mechanism shape, which is equilateral triangle. My design will try to make as much of the mechanic as visible as possible. However, to answer your specific question, the rod onto which the gear you have circled is fitted is simply hit repeatedly on one end with a small hammer to mushroom it over a bit and create a shoulder that the gear simply cannot get past. If you plop your email down at greekgears.com that will get you on the list of people I’ll notify when I finish up. Doing Experimental Science at Home. By request, I’m making the CAD files for the model of the Antikythera Mechanism that I created freely available. I built a home made one which works brilliantly. It will be all wood when finished and hopefully quite skeletal in overall design, I want to be able to see the gearing without horrible perspex! 5.844. But that won’t be done for probably a year – I’m going to start rework over the holidays and pick it up again over the summer. The photos just show it mocked up to trial fit everything to check spacings etc. Recently I saw a video (https://www.youtube.com/watch?v=z_7xE24NUyg, in Spanish) that supports this thought. For me the beauty of the AM is the mechanical design as much as the results calculates. “Calendars with Olympiad and Eclipse Prediction on the Antikythera Mechanism: Supplementary Notes”, and slightly edited by me. [IMG]http://i1295.photobucket.com/albums/b629/minimoa12/Mobile%20Uploads/20150607_081233_zpsg9pw1e6f_edit_1444342363581_zpstimpx0oe.jpg[/IMG], [IMG]http://i1295.photobucket.com/albums/b629/minimoa12/Mobile%20Uploads/20150607_081328_zpsegrmoa39.jpg[/IMG]. I’m planning to have this next version be laser cut from sheets of wood rather than 3D printed, so the processes from your model are actually very applicable! This is actually the mean value of the modules for all gears in the Mechanism. Download; 3. Hi Dave, currently I am finishing my research, spreadsheets, and CAD drawings. Hi Trixie, Copyright belongs to original owners, however because it is a published paper all educational uses are fair use. I have also withdrawn the files and re-released them under a similar noncommercial license. It may be different to what you are able to do though as I’m using wooden gears obviously which are quite forgiving and accommodating in all sorts of different ways when it comes to fixing and fitting – plastic gears may need a bit more thought… It’s only taken two years… but it does feel good. Dave. They became caught in a storm and were forced take shelter around the island’s main port of Potamós. Hi folks, There is a 3D printable design on the thingiverse: 3d 100% printed antikythera mechanism by Kirolab I don’t know of any other publicly shared STL files for the Antikythera mechanism. Yes, I am working on my own model and build of the mechanism. [IMG]http://i1295.photobucket.com/albums/b629/minimoa12/2015-05-10%2022.42.55_zpsbipriryc.jpg[/IMG], [IMG]http://i1295.photobucket.com/albums/b629/minimoa12/2015-03-10%2016.49.49_zpsvq6lreas.jpg[/IMG]. See all stories. But, in this version of mechanism, I eccentred the k1-k2 axles in radial direction. The gear itself has a brass sleave fitted at it’s centre so that the tolerances are quite close, any distortion of the rod is then enough to keep the gear firmly where it lives, so my hammered shoulder works a treat. In a nutshell I use techniques that work for me in the low stress orrery type situation, but they wouldn’t be so great if the machine was motorised and running all day every day. I’m pretty sure we’ve also found the same source for the telescoping brass tubing. Thanks so much! It will be a skeletal design with engravings on the gear spokes and designs cut into the Date Plate, Superior Planet Plate, and bridges. Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. Especially the axles that only have room to be supported at one end, since you can’t constrain those tubes between two supporting plates. Hi Scott, The file “plate front v2.png” is taken from. The Antikythera mechanism (/ ˌ æ n t ɪ k ɪ ˈ θ ɪər ə / AN-tə-kə-THEER-ə) is an ancient Greek hand-powered orrery, described as the first analogue computer, the oldest known example of such a device used to predict astronomical positions and eclipses for calendar and astrological purposes decades in advance. I sized a couple of the larger gears according to dimensions from the device's Wikipedia entry, and put the right number of teeth on them too. The model uses involute profiles. 3d 100% printed antikythera mechanism. My design will follow the ISAW paper for the gear train, although I may consider using the 145:46 gear ratio for Mercury. The moon gearing (k1 and 2 especially) is probably the trickiest bit to set up, and don’t forget that although they all have 50 teeth, k1 and E5 are slightly smaller than K2 and E6 – but I’m guessing that you’ve already spotted that! The files “plate back lower dial v4.png” and “plate back upper dial v4.png” are taken from Freeth et al. Next job is to rip it all apart again and actually link it all together. 3D Printer Patent Print. (Like here: http://i.imgur.com/GpsK4f8.png). "Resumen en castellano al final" For those who doesn't know The Antikythera Mechanism is an artifact found in 1900 in the coast of the greek Antikythera island, once studied it was dated to be from 200 B.C. Check greekgears.com for future updates. The Antikythera Mechanism used a combination of adhesives, pins, and friction fits as fasteners. If you don’t mind me asking, how did you anchor the ends of each axle, so that the gears can rotate together and still stay firmly on axis? I will post photos as I progress. Please login to your account first; Need help? If nothing happens, download the GitHub extension for Visual Studio and try again. Great Scott! Download the Antikythera Mechanism from Google Drive here, Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence, Making a Laser-Cut Topo Map: The Design Phase, Presenting: The Antikythera Mechanism | The Shamblog, https://grabcad.com/library/mecanismo-de-antikythera-1, https://www.youtube.com/watch?v=z_7xE24NUyg, Human skeleton found on shipwreck that held mysterious Antikythera Mechanism - TECHNICAL FORUM, Human skeleton found on shipwreck that held mysterious Antikythera Mechanism | NUTesla | The Informant, Human skeleton found on shipwreck that held mysterious Antikythera Mechanism – Scott Rojas, Human skeleton found on shipwreck that held mysterious Antikythera Mechanism | Headlines Today. There is a 3D printable design on the thingiverse: 3d 100% printed antikythera mechanism by Kirolab I don’t know of any other publicly shared STL files for the Antikythera mechanism. Made towards the end of the second century BC, it contains 30 bronze gear wheels and many astronomical inscriptions. I can definitely let you know when I hit a milestone. Here are the places where the model differs from the Antikythera Mechanism. UPDATE! It is … Categories: Physics\\Mechanics. All the gears are a 1:1 scale, but the overall size of the model doesn’t fully line up with the actual mechanism. Alternatively, download the CAD files for yourself. Update June 2015: I’m revisiting this project to finally get it to a version where it can be manufactured at home. But the planetary pin placement can be found in appendices of the ISAW paper. From $7.95 Camera Patent Print 1885. From $7.95 … The Antikythera Mechanism originally had at least 30 meshing bronze gears, and up to 37 gear wheels that helped the device keep track of astronomical bodies like Mars, the Sun, and the Moon. Do you use a depthing tool to layout the arbors? There are a few issues that would keep it from working if you 3D printed this, and a few more issues that make it not completely authentic to the original Mechanism. I can’t remember if I shared this, but below is a YouTube link to a film of the whole planet mechanism working. I tracked it down and it was an error in my gearing spreadsheet – k2 should be 50 teeth. From $7.95 Apple Computer Patent Print. He is known by his analysis of the original fragments of the Antikythera mechanism and by the reconstruction of this Ancient Greek brass mechanism. The Antikythera mechanism and the astrolabes are considered to be the first analogue calculators (courtesy of National Archaeological Museum, Athens/Costas Xenikakis). It isn’t perfect. Later, I realize that the eccentric displacement could be made tangentially with the same effect and so the module of gearing could be the same to all four gears. I’m not sure that this is going to help much with 3D printing, but it works great with the materials I build from. Trying to get a version 1.0 done by the end of summer! My email address is firstname.lastname@example.org if you want to drop me a line and then I can send you a photo or three if you want. All the best! Pingback: Human skeleton found on shipwreck that held mysterious Antikythera Mechanism - TECHNICAL FORUM, Pingback: Human skeleton found on shipwreck that held mysterious Antikythera Mechanism | NUTesla | The Informant, Pingback: Human skeleton found on shipwreck that held mysterious Antikythera Mechanism – Scott Rojas, Pingback: Human skeleton found on shipwreck that held mysterious Antikythera Mechanism | Headlines Today. The Antikythera mechanism (an ancient greek astronomical calculator) originally made of bronze, was recovered from the sea after 2000 years, over this time it had corroded and become a calcified lump. I’ll just have to see if this continues as I start cutting the rest of the frames and start actually assembling it with all the gears in place, not just random pairs. In the artificial world there is neither mass, inertia, force, friction, nor elastic or inelastic deflection. being the most ancient computer to be known so far. Who knows, but it works for me and runs beautifully! Just thought that I’d share a couple of photos of how my machine is coming along. do you have laser cutting files available for this? is something new available for experiments ? I will probably be cutting all of the gears with a wire EDM and CNC machining what I can’t do in the EDM. I’m afraid my update is still in the middle of the drafting phase – a move and new job have slowed things down a bit, though I did manage to grab the website I wanted for when I eventually do release the final version and am sitting on that. A very loose printable sketch of the two thousand year old, shipwrecked analog computer. No judgement at all for fudging it a bit! All gears except for the lunar phase geartrain are assumed to have a module of 0.5. I want to 3d print and assemble the gears representing the movement of moon. Lego Antikythera Mechanism. Can you please direct me? Building a replica has been on my project list for a very long time and it finally made it to the top spot. The Antikythera Mechanism used triangular teeth. Complete Antikythera Mechanism Solidwork Files Total 50 MB There are two read me files inside with the comments of experiences of manufacturing , building. So how are the rest of you getting on – any news? Where are you based by the way? Update June 2016: Haven’t forgotten about this project, but I’m back in grad school so free time is limited. Two indicators should slide onto the Metonic and Saros pointers, and track in the engraved spiral on the back face. You should be able to share a single 40 tooth gear for both trains. Dave. File: ZIP, 48.49 MB. I’d be willing to help with the physical printing if you’re interested in getting this working 100%, Would be an amazing option for intellectually minded people for Christmas. It could predict eclipses, and could tell you when the next Olympic Games were going to be. Hi Trixie, good catch! This has changed the homogeneity of the original metal (if there was any in the first place) making it incredibly difficult to extract the mechanism from the CT scan to produce a 3D model. They work, but aren’t great. He is the author or editor of over a dozen books on technology, DIY, and geek culture. I always learn the hard way (Age related). Year: 2018. About the Gearing Module: Wow – only just found this, but I’m much impressed! Any chance that you could put a copy of the STL files in the repo you have made? But… if someone had access to a 3D printer and would print me a copy pro bono, I might be motivated enough to clean it up. I too am having a crack at building this amazing contraption but I’ve opted for hand cut wooden gearing as that’s what I’m used to doing (I have been known to build the odd orrery or two). It could also be used to track the four-year cycle of the ancient Olympic Games. I didn’t really expect anyone to dig that deep. Model available for download in #<0x00007fa7acf78ce8> format Visit CGTrader and browse more than 500K 3D models, including 3D print and real-time assets Antikythera mechanism free 3D model Free 3D … Well done! The Antikythera Mechanism is an intricate bronze construction discovered damaged and fragmented in the wreck of a cargo ship off the Greek island of Antikythera in 1900. Education . The epicycle axle and pin placements were arbitrary because I was crunched for time at the end of the project to turn it in. Antikythera Mechanism , Complete CAD drawings , plans , files greekgears.com. Fix Our Planet, Part 4: Reinventing a Material World. This worked, but it loses all the detail in the varying modules between the teeth (from roughly 0.44 to 0.58). Check out Antikythera Mechanism Test by Porcidyne on Shapeways and discover more 3D printed products in Mechanical Parts. If you need any more complex info use my email address – email@example.com – easier than using the blog me thinks! Send-to-Kindle or Email . Anyhow, I’ll gladly give you any info I can, but it’ll probably be easier to do it via email than on here. Hi Trixie, For a CAD class this semester, I reconstructed the Antikythera Mechanism as a 3D model in Solidworks. I can’t see the point of cutting all these gears if people can’t actually see them! It is a business machine. It doesn't tell time or anything, but it looks cool. The planet positions are not zeroed to any celestial day. Cheers, Download the Antikythera Mechanism from Google Drive here. After a flurry of enthusiasm from the new owner when the machine first arrives the handle will only be wound for 10 minutes a week, and probably not even that. Runs smoothly and the motion is very apparent. did you update google drive model ? 3D print model Antikythera Mechanism helical Herringbone 3 , formats include OBJ, STL, 3MF, ready for 3D animation and other 3D projects I’m in the uk abs currently enjoying rain! It could also be used to track the four-year cycle of the ancient Olympic Games. I noticed that you had a separate fixed gear for venus and the solar anomaly. 3D Solidforms was found in 2013 and its main activity is the design and construction of objects with the use of modern technologies, such as 3D printing and 3D scanning. I’ve gone down the wooden route purely and simply because I’ve built countless orreries all with wooden gearing and have had no problems at all, and at this size (2mm to 2.5mm tooth pitch) my gear cutting, believe it or not, is now (after lots, and lots of practice) more accurate and easier to work with than laser cut gears – they just can’t cope with 6mm ply without getting horribly scorched edges. In it tells that the original mechanism includes mechanical solutions to avoid errors of 2 degrees, but the triangle teeth gave errors of almost 15 degrees. The model uses no fasteners, and would need a few if printed. Check other 3D printable models for Art free and for sale. I love the way that the machine is still open to a fair bit of interpretation when it comes to the details. I’m Scott. These can be found in Freeth and Jones’ “The Cosmos in the Antikythera Mechanism.”. Still have work to go, but I’ve gotten as far as making some test parts on a laser cutter. Anyhow, drop me a line when you can. Great job there mate! I have prototyped the k1/k2, e5/e6 gear train and plan to prototype the inferior and superior planets next. Hello, i also live in and work at night in Denver. All the gears that need to have locked rotations are keyed and spaced out with spacers, but some of the keys are really small loose pieces and should be changed. Wondering why you used a scale factor for calculating axle distances. I too am going for the skeletal look. Get 3D model of Antikythera Gear Mechanism Desk Fidget Toy printed near you starting from 6.99. From $7.95 Adding Machine Patent Print. Was the original like that? A computer program with the equivalent readout, for this current era would be good. Thank you! In 1900, a group of Greek sponge divers were sailing back to Symi, an island in the Rhodes region of Southern Greece. Good questions! I am releasing this to the public under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence. Old fashioned – that’s me… Many theories there are to explain it. In other words the one thing that really wasn’t an issue was wear and tear – I reckon that my machines will easily out last me (I’m 46). It was constructed between 150-200 BCE and was used to calculate the exact position of I estimate it would take me 40-50 hours to fix them (it would require a redo of a lot of parts), which I don’t really have time for right now. Model available for download in #<0x00007fa7acf78ce8> format Visit CGTrader and browse more than 500K 3D models, including 3D print and real-time assets Antikythera mechanism free 3D model Free 3D … Gear k1 is modeled with the distance from the center of the gear to the center of the pin as 8.00mm. But since there are a relation of 223 lunar months involved in the mechanism values, it is possible that, in a early version of it, the builder made a 223 teeth gear to power it (By the way, believe me that a gear of 223 or 224 teeth is a big challenge to a builder that don’t had a nonius or CNC gearing machine to build it). Main Antikythera Mechanism , Complete CAD drawings , plans , files. In this new version I’m working on I’m basing it off that table in the Nature paper, after manually ensuring a module match between meshed gears. I had a good play with it this evening and was amazed at how close I was to actually getting it going, so a couple of hours of fiddling and this is the result: A bit clunky due to a couple of binding gears – easily fixed – and a few gears are still missing from the bottom of the machine, but the complicated bit is done. Secondly, this ancient piece of machinery might have been the very same device mentioned by Cicero – which supposedly was crafted by the great Archimedes himself, and was taken as booty by Roman general … From $7.95 Binoculars Patent Print. How did you determine/where did you source these values? Although the manufacturing techniques and mathematical solutions incorporated into the actual machine are the core interest, I am as interested in the actual results of what the mechanism meant to the designers and users. edited 5 years ago. I was hoping to do wooden axles that turned in place, but I agree that sleeves around a central rod make a lot more sense. Any photos to see of your progress? Send me an email to firstname.lastname@example.org and I’ll ping back how I put my machines together. The video goes pretty quickly, so I’ll show some pictures of the key features below. 100% 3D printed interpretation of the Antikythera Mechanism. Hi Scott, It could also be used to track the four-year cycle of the ancient Olympic Games. Publisher: greekgears.com. If you don’t mind me asking, what are you using to anchor the axles with only one end mounted, while still letting them spin? The Antikythera mechanism, one more mystery of the ancient world, is an ancient mechanical calculator (also described as the first known mechanical computer) designed to calculate astronomical positions. Cheers, Michael T. Wright, FSA (Born: 16 June, 1948) was formerly curator of mechanical engineering at the Science Museum and later at Imperial College in London, England. From $7.95 Antikythera Mechanism Print. Plan C Live: Economic Recovery from the … The Antikythera mechanism had the first known set of scientific dials or scales and was the most complex mechanism … Jun 9, 2013 - Download files and build them with your 3D printer, laser cutter, or CNC. The large pointers should be removable in the real model to allow the indicators to reset. Follow user. Students are gradually introduced into the 3D printing technology, its application and potential and are assigned a challenging collaborative project in which they have to study, analyse, design and build, using the 3D printer of their school, an operational model of a renown ancient artefact, the so-called Antikythera Mechanism. This a reconstruction made with the free information on the internet (since the scientists data are well kept on the museums). Hi Trixie, In my own version of the Antikythera mechanism (https://grabcad.com/library/mecanismo-de-antikythera-1) prior I assume that the lunar anomaly gearing had two different modules: one to the e5-k1 gearing (0,5 Module) and other to the k2-e6 gearing (near to ,55 Module). Thanks for the help and comments, it’s nice to have someone to bounce these ideas off of. I am going to build an Orrery next. just found this thread. I have a keen interest in horology, clock making, and orreries. The plan is to get a version that can be laser cut from sheets of wood, and release the files to the public. The planet gearing is to Colin Freeth’s proposed design, for no other reason really other than it builds up into a single very neat self contained unit with minimal gearing – it really is a beautiful design. Use Git or checkout with SVN using the web URL. Axle K is modeled with a 1.00mm epicenter offset for k1 and k2. From $7.95 Air Conditioning Patent Print. I’ve put links to a coupe of photos of how I’m getting on if you want to have a peek. Can’t wait to build the model. I’ve done quite a bit of work on a new version that will actually be manufacturable rather than just being a computer model. The Antikythera mechanism is an ancient Greek analogue computer used to predict astronomical positions and eclipses for calendar and astrological purposes decades in advance. Antikythera mechanism, ancient Greek mechanical device made of bronze and used to calculate and display information about astronomical phenomena. That paper also says that k1 and k2 are offset by “just over a millimetre”, but I’m having difficulty finding a written number to distinguish between 1.0mm and 1.1mm. This marvelous device is known as the Antikythera mechanism. Their ship was in a channel north of Crete, near the small island of Antikythera. I plan to cut most of the device from aluminum or stainless steel, with stainless arbors and roller bearings. I haven’t figured out how best to do that yet. How did you choose the size of each gear? In the hopes of one day having a physical working Antikythera, thank you for your work! This is a mouthful, but it basically means that you are free to use, edit, and redistribute these files so long as you a) credit me for originally making them, b) don’t use them to make money, and c) apply the same license whenever you redistribute it. Thingiverse is a universe of things. I’ve gotten asked that a lot. 100% 3D printed interpretation of the Antikythera Mechanism. I didn’t use values for the pin placement radii on the epicycle gears. That’s fantastic progress! It is more probably that it was used to provide a mechanical model or to a didactic use. You’re more than welcome. I guess though that it wouldn’t take much to simply increase the diameter of the printed rod beyond the gear to simulate my soldered sleave. I just happened across your page by chance tonight. Yeah, this model isn’t meant to be built, it was only meant for the computer. Are you working on your own model? Ahhh, CAD… wish I had the time to learn it properly… all my designs are in note book form, or designed directly onto the wood and then patterns taken from that once I’m happy that everything works. Thanks for sharing the file, after trying to print them for a few day’s I found out that they not for 3D printing. But the entering gears (a1 and b1 as the standard denomination marks) had 0,6 Module (which is 0,6 mm x pi diameter pitch). My earliest orrery is now coming up for its 10th birthday and working just as well as the day I finished it. Hi Dave, nice work! With the following exceptions! Language: english. It’s to scale, and it works! Are you modeling to 1:1 scale, using the Supplementary Information section of the Nature 2006 paper, Note 3 (Gears) for the sizing info? I’m also including the full five planet display as well which I’ve pretty much finished. Best of luck, and I hope that things have calmed down enough for you to have a play with this again. It is now thought to have been built about 100 … As possible i want to have a keen interest in horology, clock making, e6. In Freeth and Jones ’ “ the Cosmos in the BHI ’ s almost at the stage where it be. Of a LEGO version including Designing and 3D printing Shoes, Cake,. 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