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. Dave. I watched your video of it working, and it looks incredible! In the artificial world there is neither mass, inertia, force, friction, nor elastic or inelastic deflection. Thanks for the help and comments, it’s nice to have someone to bounce these ideas off of. You have to design the parts yourself though – these files aren’t set up for 3D printing. 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. edited 5 years ago. 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. This marvelous device is known as the Antikythera mechanism. I have 3D printed a working model of the Antikythera Mechanism. Hi Scott, thank you for the perfect work. And yes – most of my info cane from Colin Freeth’s Cosmos paper – it’s been incredibly helpful and was really the catalyst I needed to get started with the project. Main Antikythera Mechanism , Complete CAD drawings , plans , files. I’ve put links to a coupe of photos of how I’m getting on if you want to have a peek. Antikythera Mechanism , Complete CAD drawings , plans , files greekgears.com. But, in this version of mechanism, I eccentred the k1-k2 axles in radial direction. If nothing happens, download GitHub Desktop and try again. How did you determine/where did you source these values? Gareth Branwyn . I’ve gotten it to a point where I’ll need a laser cutter to test out design options, so things are pending me finding one I can get. download the GitHub extension for Visual Studio, http://kirolab.blogspot.com.es/2016/10/interpretacion-del-mecanismo-de.html. Follow user. Model available for download in # format Visit CGTrader and browse more than 500K 3D models, including 3D print and real-time assets Antikythera mechanism free 3D model Free 3D … File: ZIP, 48.49 MB. So, on my machines the gears are interference fit onto the brass tubes with a little super glue, after which they are going nowhere. T he Antikythera Mechanism -The Designing and Building of a LEGO Version including designing and 3D printing the needed custom LEGO compatible gears.. It looks like you’ve made pretty incredible progress towards finishing it. In the hopes of one day having a physical working Antikythera, thank you for your work! It is a business machine. Calculating axle distances = Ad=0,5M(Z1+Z2). - kirolab/3D-printed-Antikythera-mechanism I chose the diameter of my gears to be, in millimetres, half the number of teeth so the radius you asked about was a quarter. Please login to your account first; Need help? Their ship was in a channel north of Crete, near the small island of Antikythera. Use Git or checkout with SVN using the web URL. I’m a long way off from that point, I feel, though things have calmed down and I’m gearing back up to give it another push. If nothing happens, download the GitHub extension for Visual Studio and try again. 100% 3D printed interpretation of the Antikythera Mechanism. I hope that this helps at least a little, but our materials are very different so detail bits like this will tend to differ. I noticed that you had a separate fixed gear for venus and the solar anomaly. 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. 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. He is the author or editor of over a dozen books on technology, DIY, and geek culture. Categories: Physics\\Mechanics. “Calendars with Olympiad and Eclipse Prediction on the Antikythera Mechanism: Supplementary Notes”, and slightly edited by me. I too am going for the skeletal look. I tracked it down and it was an error in my gearing spreadsheet – k2 should be 50 teeth. The model uses involute profiles. Yeah, this model isn’t meant to be built, it was only meant for the computer. It is more probably that it was used to provide a mechanical model or to a didactic use. I want to 3d print and assemble the gears representing the movement of moon. 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. It is … The epicycle axle and pin placements were arbitrary because I was crunched for time at the end of the project to turn it in. 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. Fix Our Planet, Part 4: Reinventing a Material World. Year: 2018. It could also be used to track the four-year cycle of the ancient Olympic Games. Titancraft Lets You Create Custom Creatures For 3D Printing. For a CAD class this semester, I reconstructed the Antikythera Mechanism as a 3D model in Solidworks. I am still thinking about how I want the front and back plate to look. do you have laser cutting files available for this? The mechanism was housed in a wooden box and controlled with a knob on one side. 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. Thingiverse is a universe of things. 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 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. 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. Thingiverse is a universe of things. Language: english. I’m keeping everything crossed… I love the way that the machine is still open to a fair bit of interpretation when it comes to the details. So how are the rest of you getting on – any news? It’s only taken two years… but it does feel good. I enrolled in the BHI’s distance learning program (but did not take the tests). Next job is to rip it all apart again and actually link it all together. Check greekgears.com for future updates. I’m also including the full five planet display as well which I’ve pretty much finished. The Antikythera mechanism is an ancient Greek analogue computer used to predict astronomical positions and eclipses for calendar and astrological purposes decades in advance. 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. Jun 9, 2013 - Download files and build them with your 3D printer, laser cutter, or CNC. This a reconstruction made with the free information on the internet (since the scientists data are well kept on the museums). Dave. So, it’s impossible that the original mechanism was used to calculate real cosmic events. Right from the beginning when I was building my first wooden orreries I realised that for most of their lives they were going to sit looking pretty and gathering dust. 100% 3D printed interpretation of the Antikythera Mechanism. It doesn't tell time or anything, but it looks cool. 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 can’t see the point of cutting all these gears if people can’t actually see them! I’m starting to get excited now that the whole thing might actually work as planned! Thingiverse is a universe of things. I will be prototyping in plywood and intended to do the final version aluminum. It could predict eclipses, and could tell you when the next Olympic Games were going to be. The Antikythera Mechanism used a combination of adhesives, pins, and friction fits as fasteners. Plan C Live: Economic Recovery from the … Learn more. 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. Do I need to convert them. Who knows, but it works for me and runs beautifully! I want to make one and would like to see what others have done first. Do you use a depthing tool to layout the arbors? 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. Jun 9, 2013 - Download files and build them with your 3D printer, laser cutter, or CNC. It’s to scale, and it works! Get 3D model of Antikythera Gear Mechanism Desk Fidget Toy printed near you starting from 6.99. No judgement at all for fudging it a bit! Alternatively, download the CAD files for yourself. Gear k1 is modeled with the distance from the center of the gear to the center of the pin as 8.00mm. just found this thread. Especially the axles that only have room to be supported at one end, since you can’t constrain those tubes between two supporting plates. 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? Recently I saw a video (https://www.youtube.com/watch?v=z_7xE24NUyg, in Spanish) that supports this thought. Sorry for the late response – been a bit tied up the last few days. Complete Antikythera Mechanism Solidwork Files Total 50 MB There are two read me files inside with … I plan to cut most of the device from aluminum or stainless steel, with stainless arbors and roller bearings. All the best! It was constructed between 150-200 BCE and was used to calculate the exact position of It was extremely accurate as well, correctly reporting subtle variations in the lunar orbit, for example. 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. The modern gears (evolvente) have already a small tolerance. Great Scott! It looks like your final machine should be quite something when done. Are you working on your own model? registered on your site. Download; 3. I’m not sure that this is going to help much with 3D printing, but it works great with the materials I build from. It looks very similar in approach to how I am planning on doing it, though I’ll be using a laser cutter to make the gears since I lack the patience to hand cut them (which I’m very impressed with). 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. Anyhow, best of luck fitting this in with your studies. 5.844. The wooden frame, pointers, and posts are creative interpretations. Anyhow, drop me a line when you can. 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. Are you modeling to 1:1 scale, using the Supplementary Information section of the Nature 2006 paper, Note 3 (Gears) for the sizing info? Unfortunately I know nothing of 3d printing, but having hand cut 60 or so gears Ican see the arattraction…. The files “plate back lower dial v4.png” and “plate back upper dial v4.png” are taken from Freeth et al. Thanks so much! Just curious, that’s all. The mechanism is technically more complex than… Thanks for the info on how you mount the axles. I didn’t use values for the pin placement radii on the epicycle gears. Lego Antikythera Mechanism. 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). (Click that link for an overview of the project.). From $7.95 Binoculars Patent Print. Good questions! From $7.95 Boombox Patent Print. Oh, and to answer your question, yes I do use a depthing tool to set up the centres. 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! Update June 2016: Haven’t forgotten about this project, but I’m back in grad school so free time is limited. Check other 3D printable models for Art free and for sale. Just thought that I’d share a couple of photos of how my machine is coming along. Best of luck, and I hope that things have calmed down enough for you to have a play with this again. Just thought you’d like to hear that I’ve sort of got it running! This means they will be forever free. Trying to get a version 1.0 done by the end of summer! I’m still working on this, though progress is super slow at the moment because of uni. Hi Trixie, good catch! This is actually the mean value of the modules for all gears in the Mechanism. My earliest orrery is now coming up for its 10th birthday and working just as well as the day I finished it. The Antikythera mechanism is an ancient Greek analogue computer used to predict astronomical positions and eclipses for calendar and astrological purposes decades in advance. This model is a interpretation of that machine in order to 3d print it 100% in 3D. From $7.95 … . Doesn’t the model in the ISAW paper specify k1, k2, e5, and e6 all to be 50 teeth? Hi Trixie, The second option is probably better engineering but takes up more space (not really a problem in the situation that we’re looking at though). Send me an email to [email protected] and I’ll ping back how I put my machines together. You’ve did a great job! From $7.95 Aperture Coded Camera Patent Print. In 1900, a group of Greek sponge divers were sailing back to Symi, an island in the Rhodes region of Southern Greece. Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. 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. 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. 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? For me the beauty of the AM is the mechanical design as much as the results calculates. 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. Great job there mate! I’m in the uk abs currently enjoying rain! great work. You’ll need Solidworks to open it, and 3D PRINTING WILL PROBABLY NOT WORK. The Antikythera mechanism is an ancient Greek analogue computer used to predict astronomical positions and eclipses for calendar and astrological purposes decades in advance. I can’t remember if I shared this, but below is a YouTube link to a film of the whole planet mechanism working. All the gears are a 1:1 scale, but the overall size of the model doesn’t fully line up with the actual mechanism. I have been fascinated by Antikytheria Mechanism for many years and started my research on the subject with the Price and Wright papers in early 2002. 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. 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. It could also track the four-year cycle of athletic games which was … being the most ancient computer to be known so far. It’s a wonder the Antikythera mechanism was discovered at all. The front of the Antikythera Mechanism shows seven hands (sun, moon, five planets) and a double ring scale (outside: Egyptian calendar, inside: zodiac). The complete gearing for the moon is large and complicated, but if you just want the part at the top that makes it spin on its axis, you could make it pretty easily. Information; Materials and methods; Documents; Issues; Activity 1; Derivatives; Report issue ; This model does not pretend to be an accurate and historical reconstruction of the Antikythera mechanism, just a project to share and divulge. It isn’t perfect. Thank you! 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. Favorite; I printed this design; Add to collection; ByKirolab3D. A more accurate model would account for variations in the gears. It could also be used to track the four-year cycle of the ancient Olympic Games. Can’t wait to build the model. 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… The planet positions are not zeroed to any celestial day. I really should check back here more often and keep up – sorry. I’m hoping that there will start to be several different machines coming out of the wood work in the next year or two that all achieve the same basic functional goal of working like the original would have, but with very different design approaches – should be fun to see what different people come up with. UPDATE! I wonder if you can help me a little. Jun 9, 2013 - Download files and build them with your 3D printer, laser cutter, or CNC. I’ve got almost all of the centres for the main gear train cut now, and in isolation all the pairs run as near to perfectly as I can get. I’m Scott. A manufacturable model is still on my back burner, but it will be some time before I can devote serious time to it. A computer program with the equivalent readout, for this current era would be good. I built a home made one which works brilliantly. Your model will serve as a great reference to cross check my own work. Can i use a router to carve the gears. Well done! Naturally the Freeths articles in 2006, 2008, and 2014 have been extremely enlightening and exciting. It is now thought to have been built about 100 … The model relations are perfect, the gearing is not. 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. Hi Dave, currently I am finishing my research, spreadsheets, and CAD drawings. Once the storm passed, they decided to scout the area for sponges be… Wondering why you used a scale factor for calculating axle distances. I’ve gotten asked that a lot. did you update google drive model ? 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. If nothing happens, download Xcode and try again. You’re more than welcome. I am releasing this to the public under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence. Cheers. From $7.95 Air Conditioning Patent Print. From $7.95 Antikythera Mechanism Print. I will keep you posted on my progress. See all stories. 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). They became caught in a storm and were forced take shelter around the island’s main port of Potamós. Questions of material strength and wear properties are excluded. Thingiverse is a universe of things. Hi Dave, nice work! Greetings! A very loose printable sketch of the two thousand year old, shipwrecked analog computer. About the Gearing Module: The general actual module of gearing is near 0,5 mm which is (surprisingly) a big coincidence, since there is not possible that the ancient Greeks did know the Module System (metric standards based, created circa 1900 AD). This worked, but it loses all the detail in the varying modules between the teeth (from roughly 0.44 to 0.58). If you need any more complex info use my email address – [email protected] – easier than using the blog me thinks! Hi Scott, Whose Cosmos gearing did you choose, Freeth, Evans, or Wright? - kirolab/3D-printed-Antikythera-mechanism From $7.95 Apple Computer Patent Print. 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). Cool Crowdfunding: 3D Printing Shoes, Cake Icing, and Detecting Print Failures. The other way to do it is to fit the gear onto the rod and have 3 or 4mm of the rod protruding above the gear and then simply solder a 2mm sleave onto this protrusion to stop the gear from escaping again. The heavy corrosion of the mechanism makes me think the difference isn’t all that meaningful. 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Am still thinking about how i want to have someone to bounce these ideas off of printed this ;... I made it in need Solidworks to open it, and friction fits as.. All gears except for the lunar orbit, for example it will be prototyping in plywood intended... Indicators should slide onto the Metonic and Saros pointers, and e6 all to be teeth! Age related ) was found in 1901 them with your 3D printer, cutter! Its complexity and significance were not understood until decades later aluminum or stainless steel, with arbors! Working well if 3D printed interpretation of the gear once the shoulder has been my. Have done first Symi, an island in the hopes of one day a!
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