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Showing content with the highest reputation since 05/17/2019 in all areas

  1. 6 points
    Made these 2 custom downspout diverters. Each one is a different angle. Used openScad to design. S5 to print. zero support was needed. Oh - also the brown barrel has a white hose clamp that I modeled in DSM and printed with Nylon filament.
  2. 5 points
    So just to be clear, you don’t own a Ultimaker printer, but use Cura, the free open source product for which Ultimaker is paying a large part of the development, and when something goes wrong you feel the need to bash Ultimaker? I understand being frustrated sometimes..... and you excused yourself already..... but please be nice....
  3. 4 points
    A test-version that should work with both Cura 4.0 and Cura 4.1 is available here: http://files.fieldofview.com/cura/SidebarGUIPlugin-v6.0.0-2019-06-11T21_09_03Z.curapackage Download the file, and drop it into a running Cura application window. Then restart Cura. If this version works, it should be available from the Marketplace as an update soon.
  4. 3 points
    This is just a friendly reminder to people that when asking for help, it helps us to help you if you supply things such as models to be examined. It is amazing how many things are actually model related. But without the model and full information (printer, model, etc) it is just a guessing game.
  5. 3 points
    Because it's super annoying to get that to work on all platforms.
  6. 3 points
    The sidebar plugin will always have to be updated for new versions of Cura. It "patches" specific parts of Cura, and when Cura is changed those patches don't work anymore and have to be redone. I do think there are still good reasons to prefer the sidebar implementation over the floating panels, so I will release an updated version of the plugin at some point, but there are some complicating factors at the moment.
  7. 3 points
    Birdfeed holder, to attach the bird feeder to the new small tree in our garden, with branches too thin, but with a 40 mm diameter trunk. Fixed with two velcro stripes. Filament is Nylon transparent from Ultimaker, construction with Fusion 360.
  8. 2 points
    Thanks so much Ahoeben, you rock. Such a huge difference in user experience this makes.
  9. 2 points
    The updated plugin (4.0.1) is now published in the Marketplace for both Cura 4.0 and Cura 4.1. When Cura 4.2 is released, I will have to make a new version.
  10. 2 points
    In Cura gibt es ein Setting "Print Thin Lines", damit werden auch dünnere Wände gedruckt.
  11. 2 points
    That is the idea. At least the person who wrote/updated the definition for the printer you use thought it was an improvement. Ultimaker does not test this, neither do I (I don't have a monoprice mini).
  12. 2 points
    It sounds like it's bricked. Please, do you know what version it is? I think it might show the version briefly on power up. You probably have the "stepping stone" version which was never meant to be used to print but meant to be used to upgrade to the next version. That version has this bug you describe. But if this is the absolute latest version that came out a few days ago, then it would be good to know this. How to unbrick:
  13. 2 points
    Thanks. Software side it works basically the same as Mark 2, hence similar CURA and E3D profiles. Nice post. The 1.75 hotend runs with a custom 6.35 OD 2 ID PTFE bowden tube, sold by the same Taobao seller. The major advantage of this PTFE hotend is that there is pretty much no chance of nozzle jam or clog for PLA even with frequent long retractions. With the PI insulator ring applied, the PTFE last much longer and can also handle high temp materials. As for using E3D heatbreak, the current heatsink probably won't be able to cool it down properly because the surface area is much smaller. You can consider trap a piece of 6.35 OD 3.2 ID or 5 OD 3 ID PTFE tube inside the heatsink. I think the 4*3 PTFE would deteriorate pretty quick due to thin wall thickness, and it is also too soft to hold up to the compression from filament. Making 1.75 and 2.85 hotend components swappable isn't all that necessary. You would need to make compromise on both sides to achieve that. I think it would be better to make two entire printheads with 12pin connector for quick swapping. That would be much less hustle, much more reliable and cost very little.
  14. 2 points
    Bonjour, Allez, a moi de faire mon petit retour sur la maintenance 😍 Ma première UM2 a environ 6000h d'ABS ESUN, j'estime 500h de PLA ou flexible et quelques heures en matière exotique. - J'ai restauré une dizaine de fois l'isolateur téflon, changé 2 ou 3 fois. - Usé deux ou trois buses tout diamètre confondu. - Nettoyé 2 fois le petit ventilo de protection tête. Granula de laque Dimafix qui s'accumulait et bloquait l’hélice - 2 à 3 gouttes d'huile '3 en 1' sur les 8 axes lisses de la machine (XY, chariot et Z). En essuyant après, au coton démaquillant le résidu noirâtre déposé en fin de course des axes. J'estime la fréquence en glissant un doigt sur un des axes. S'il adhère ou si c'est 'sec', je huile. Mais a la louche, tous le 100 heures d'impression. - Dégraissé 2 fois la tige fileté avec un sopalin (sans produit) et regraissé avec la graisse Ultimaker d'origine. - Je maintien également l’intérieur de la machine, presque propre. Pas de morceau de filament qui s'accumule. Éponge humide sur les parois et le fond (laque Dimafix) tous les 3 a 6 mois. J'ajoute que tout est d'origine sauf le téflon (maintenance) et bloc Olsson qui a été ajouté pour ses un an 😉 Les courroies ne sont pas trop belles a voir, trace de laque et légère usure, mais la qualité d'impression et la tension reste correcte, jamais touché a une vis de poulie, juste une vérification de serrage a la réception de la machine. Je pense quand même les démonter pour les tremper a l'eau et virer cette laque. On verra pour ses 10000 heures. Niveau amélioration / modification perso, je ventile tous les moteurs (sauf le Z) et la carte mère depuis le début. J'ai dernièrement fait l’acquisition d'une version 2+ d’occasion de 1600heures. Je tiens a remercier Ultimaker pour sa version 3 et suivante qui permet d'avoir des tarifs très correcte voir indécents dans les UM2 ou UM2+. Les diverses améliorations des UM2+ sont très intéressantes. Extrudeur et bloc Olsson essentiellement. J'ai refait des supports pour la ventilation des moteurs et de la carte. Vérifier le serrage des poulies. Restauré le téflon qui a vu sa vie se prolonger 500h a aujourd'hui. Je pense que le système sans ressort limite la pression constante d’écrasement et cela augment franchement sa durée. Voila, c'est a peu près tout 😉 Fred.
  15. 2 points
    when you use ->preferences-> multiple build plates, a little window down left appears, where the numbers are visible and clickable. It seams to be a bit of a forgotten, unfinished, but handy feature.... you can click an item in the list and the model lights up, but if you click a model it is not highlighted in the list.. And you cannot drag the window, it is overlapping with the model text
  16. 2 points
    Hello @nubnubbud. In theory it's just a matter of cloning the cura-build-environment repo and following the instructions to build that and then cloning the cura-build repo and following the instructions to build that. However, I have found that I cannot build a working cura using the master branches of those repos. In my forks of those repos I have my own branches that I work from (mb-linux, mb-windows and mb-osx). I am no longer able to build a working OS X binary but the mb-linux and mb-windows branches work with the current master branches of the cura sources. So, you could try cloning my repos and trying to build from them. See https://github.com/smartavionics/cura-build-environment and https://github.com/smartavionics/cura-build. Hope this helps.
  17. 2 points
    So we have been getting along brilliantly with our 'fleet' of Ultimaker printers (1x UMOriginal, 1x UM2 and 2xUM3) and ArchiCAD. The Custom Cutting Planes function is perfect for extracting model information to create facade studies straight out of ArchiCAD and into Cura with minimal alterations!
  18. 2 points

    Version 1.0.0


    Here is my full size Velociraptor skeleton. Juste made for the challenge. Lenght: ~180cm Sculpted with Zbrush. Total printing time: ~392h. Printer: Ultimaker2+ Filament: PLA Speed: 30mm/s - 50mm/s Nozzle: 0,4mm Layers: 0,15mm Painting : acrylic paint (spray and brushe)
  19. 1 point
    Thanks for the project file. I think the problem is caused by the model not being watertight. The mesh tool model checker detects that...
  20. 1 point
    This is severe underextrusion, caused by not enough material flow. But there can be a lot of reasons: blocked nozzle due to burnt residu, dirt particles in the nozzle, kinks in the filament which prevent it from moving well through the feeding traject, spool not willing to unwind for whatever reason, printing too fast, too cold, and probably many many others. User gr5 has a good video and info on this, search for it. I guess the flow in your model is only ca. 30 to 50% of what it should be, once the problem occurs. See the photos of the tests I did a couple of months ago (flow-rate in percent, in black marker on the model). This model is quite small: if I remember well, the left block was 10mm wide and 5mm high. Made on an UM2 (non-plus).
  21. 1 point
    Yes, you just move the executable to the Cura-folder. More importantly, I reply because a contributor has decided to clean up the Windows build instructions, and we've added them to the wiki over here. (A small note is that these instructions work for VS2015 and possibly VS2019, but VS2017 has a regression that requires some extra work to get it done.)
  22. 1 point
    @Link What @UMS5_VSM forget to say is that 8-9 months is just after the UM5 started being sold an UM still expected to be able to ship out aluminum plate. They haven't been waiting 8-9 months for the second glass plate. If you look at the messages above in this thread, you'll see that the second glass plates have begun shipping late April-early May to the various retailers worldwide, who are then in charge of sending them to the customers. Thus why it can be slow to arrive, especially if you take into account the fact they probably sent them first to the people who first bought the UM5.
  23. 1 point
    There are two "modes" of specifying coordinates: relative or absolute. You describe absolute coordinates. In relative coordinates each time you use `G0 X1`, the head will move 1 mm. You can change between absolute and relative modes with the G90 and G91 commands respectively. http://marlinfw.org/docs/gcode/G000-G001.html http://marlinfw.org/docs/gcode/G090.html http://marlinfw.org/docs/gcode/G091.html
  24. 1 point
    I think, Dim3nsioneer means the "unbricking procedure" described in the forum, for example here: https://community.ultimaker.com/topic/28247-um3-system-boot-cannot-start-up-system-failure/ (summary of the relevant informations) Regards
  25. 1 point
    At the heart of the UM2 is the same chip as an Arduino Mega. You should be able to talk to open its serial port (using PySerial) and send any gcode to it line by line. The default Baud rate is 250000.
  26. 1 point
    That's a simple ball bearing from stainless steel, part no. 1974 (if i'm not wrong) If your reseller doesn't offer it separately, you can buy a new feeder, or ... ... well, those things are fairly cheap standard parts. Just measure the main dimensions of the broken part, that's all you need. It should be: outer diameter: 12.0mm inner diameter: 8.0mm width: 3.5mm Also called "MR128-ZZ"
  27. 1 point
    @ultiarjan has a good point with 2nd hand machines. If you want to buy it from a more official point, look out for refurbished printers. In Europe, some distributors offer this and FBRC8 in the US does it as well. Why would you not buy an Ultimaker 2+ even when in a year or two a successor would come out? If the printer offers what you need, then it's a good deal. If it doesn't you should also not buy it later. Does that make sense for you?
  28. 1 point
    Webcam support is something we're investigating (but might be quite hard due to the huge amount of bandwidth needed, so probably another solution is needed). Note that you need to update your printer to the latest firmware to make use of Ultimaker Cloud printing from Cura.
  29. 1 point
    Those strings on the side don't have a lot to do with the filament. Those happen on filament changes when changing from PVA back to PLA. The old nozzle is leaking a bit and there is this little string/noodle sticking out of the nozzle and when it starts printing again it gets attached to the side of the print. One solution is a prime tower. There is an option in cura to add a prime tower. Make sure the prime tower isn't in a rear corner - it does better in the rear center if possible.
  30. 1 point
    No its not working with 4.1 I tried and it was a big mistake. The biggest problem i am facing now is that downgrade didnt work. I cant make CURA to work after downgrading. CHEVY engineers decided to make crap movable instead of making it static on either side like it should. Floating toolbars are a nightmare for any industry. Every single reputable software i know to this day DOES NOT use floating toolbars as general rule. Exceptions are some but even those can be snapped to what ever side user wants. For example Premiere Pro. 3DS Max. Countless floating toolbars snap to what ever side pushing viewport around. But in CURA, floating menus do not push viewport. Viewport stays in the center of the window at all time, thats bad. Thats incorrect center of the view every time. It looks cool but its not practical.
  31. 1 point
    After I installed the new version of Cura - 4.1 my printer is again visible. Thanks ! 🙂
  32. 1 point
    I'm trying to resolve the same issue, in S3D there is a lift when traveling setting I'm trying to find a similar setting in Cura.
  33. 1 point
    Pour l'um3 à priori ne change que la largeur de ligne ça devrait être suffisant... peut être un peu adapter la retraction (à voir)
  34. 1 point
    Here's the Evidence that I am not a derp. Open a file from the link I posted in the 1st post (or drag and drop it...) doesn't really matter. You see the object is initially not placed correctly So we are gonna rotate it by 90 degrees I have enabled the option to automatically lay it flat in Cura: Then we need to scale it accordin to the thingiverse comment --- 99.57% on both X / Y and 101.30% on Z But first let's disable the uniform scaling -> disabled Let's scale X to 99,57%-> enter 99.57 + enter - notice the size in mm changes for X Let's click on the Y percentage field and also change it to 99.57% + enter ---> size in mm for Y changes _BUT_ notice weird behavior in the Z percentage field (even though the mm size remained the same)! Then it gets even weirder when you click on Z percentage, change it to 101.3% (+enter) --- the Y percentage field runs amok (even though the mm size didn't change)--> This I could replicate in both Cura 4.0 x64 Stable & Cura 4.1 x64 Beta with objects that have an initial wrong position and need to be rotated to lay them flat. I _hope_ that this one replicable case will be enough to trace the bug down. Rest of the settings doesn't really matter and is not relevant for this case/bug.
  35. 1 point
    Bonjour, Je fais ça facilement avec Fusion360 (dans mon cas : licence gratuite 3 ans éducation) Dans Inkscape : export du dessin vectoriel en format . svg Dans Fusion 360 import du fichier stl, extrusion des parties à mettre en relief, et fusion avec le dessin d'un disque de fond ou tout autre forme pour le tampon. Sachant que dans Fusion, il est aussi tout à fait possible de mettre directement du texte en choisissant la police que l'on veut, ce qui évite l'étape Inkscape et l'import. Il y a des tuto sur Youtube du style " imprimer en 3D un logo"
  36. 1 point
    @nubnubbud Maybe the following will help (snippet from an internal page):
  37. 1 point
    An intermediate update: There are multiple problems with the WiFi that all result in people reporting the WiFi as failing, but have different underlying causes. For the moment we are focusing on the most pressing issue where the WiFi can not be enabled at all, in the system log this manifests itself by a message "Cannot power cycle wifi". This was present in both logs sent to me. We verified over a 100 printers (S5 and UM3) in the Ultimaker office but none showed the error which makes it difficult to fix this problem. One clue we have is from a tester who reported that the bug is difficult to reproduce, but once he had it on a printer and then it remained for at least 5 reboots. We want to remove a software component that tries to restore the WiFi power state after a reboot, we don't use this feature but it might interfere with our operations (and less software is better). It just turns out that this software component is integrated in Linux and difficult to disable.
  38. 1 point
    When giving lessons or presentations in front of a public, or when doing electronic exams, or research projects or production runs, you definitely don't want automatic updates interfering. Stability and predictability are key. So, for me only manual updates, no automatic, even not optional via settings. Very often the default is "yes", and if you forget to reset this after a manual update, next time you're in trouble. I remember the Firefox 29(?) disaster, the Windows 7 to 10 auto-update disaster, Adobe- and Windows-updates in the middle of lessons, updates in the middle of exams of our students (even though updates were switched off), and so on. The only auto-updates that are funny, are those that fail on billboards in the street, creating a new form of street-art. I also dislike software that splatters its program files, settings and temporary files in hundreds of different inaccessible directories all over the harddisk. In Windows typically: the register, program files, program files (x86), appdata, application data, userdata, local settings, my documents, temp, and tons of subdirectories of these. This is creepy and disgusting. Just have a look at where your browser and office-programs put all their files. So I prefer manual installations from a zip-file: unzip and manually copy to the desired directory. And manual test-runs from standalone versions (sort of portable) where the settings are stored in the same directory as the program. I think all programs should be self-contained, independent units (directories), that you can carry around from one system to another, or move from one directory to another, without any negative side-effects, without losing settings, or without influencing other programs or older versions.
  39. 1 point
    I am with you RudydG As much as I appreciate the information; this should have be part of the original information as provided with the printer as well as with the replacement glass build plates. I have always been told by both the Ultimaker Support team and the distributors that both sides of the glass build plate are the same hence the ability to turn them over when chipped. In my opinion; this is another great example of value of the aluminum build plate. Takes care
  40. 1 point
    I made some improvements for my self adjusting filament guide: - The version 2 (the white parts on the pictures) can now catch and release the filament without pulling it back. - Thanks to a snap connection between the holder and the sphere no glue is required anymore.
  41. 1 point
    I am experiencing the issue in 3.5. When I try to define my print temperature in my start gcode, it always sets to 210C for both extruders. The code I am using for my extruder temperature setting is: M104 S{material_print_temperature} T0 M104 S{material_print_temperature} T1 Here is the resulting gcode: M104 S210 T0 M104 S210 T1 I have set (using the GUI) extruder 1 to 235C and extruder 2 to 200C. Am I using the correct variable, {material_print_temperature}, in my startup code?
  42. 1 point
    In my previous post on DfAM (Design for Additive Manufacture) I concentrated on how to deal with some of the design principles needed to ensure the manufacturability of a part using Additive Manufacturing (AM), or 3D Printing (3DP). In this post I’m going to concentrate on the way DfAM can take advantage of some of the unique capabilities that AM and 3DP has to offer. There are a number of different advantages available and we’ll look at each one in turn………… “Complexity Comes For Free…..” This is a statement that’s often made about AM/3DP. It’s not always completely true because dealing with complexity in this method of manufacturing can incur longer manufacturing times and sometimes, as the saying goes, “time is money”. However it's true that designs for this type of manufacturing method can be considerably more complex, yet still be feasible to make, compared with those designed for the more traditional methods of subtractive manufacturing, forming, or casting. One great example of design complexity is this Digital Sundial designed by Mojoptix : In itself this is a very clever piece of design that uses mathematical formula to generate the geometry which creates a digital time image from shadows cast by the sun. However, that geometry in some areas is so complex, with many thin internal walls, that the only feasible way of making this is using AM/3DP. In other applications this design freedom helps to realise complex cooling channels inside parts where efficient heat exchange is one of the key performance requirements. Channels can be provided deep inside parts where they are most effective, as opposed to being provided only where they can be manufactured. The result is that optimal functionality can be the focus for the part design rather than how it can be manufactured using traditional methods. The ability to make thin complex structures that are often “locked” inside parts is one of the aspects that is allowing the use of complex lattice structures for light-weighting of parts made using 3DP/AM. These internal lattices are similar to the internal structures that using infill in Cura produces, however the advantage of these more advanced lattices are that they can be created from understanding the stress analysis of the part as a solid structure. The lattices created can then be very dense in high stress areas and much less dense in lower stress areas, resulting in significant weight savings. Here’s an example of such a variable structure in a cut-away section of an advanced concept that I worked on for a marine pilot ladder I personally think that the use of AM/3DP for light-weighting is one of it’s most exciting possibilities and one that could play a key part in sustainability of design and manufacturing in the future. At the moment AM/3DP is being used for reducing weight in high value/low volume applications such as aerospace, but it the future I expect it to also provide this advantage in higher volume/medium value applications such as automotive. Light-weighting using AM/3DP is a subject that I’d like to return to in more depth in a future post. Multi-Material Prints With dual extrusion 3D printers such as the Ultimaker 3 and new Ultimaker S5 it’s possible to combine two quite dissimilar materials on a single layer. That gives the opportunity to create some interesting concepts that can be produced in a single 3D print. One example is this pair of pliers that I designed specifically as a dual material print. The main structural parts are in a rigid material (in this case PLA) and the central latticed core, which behaves like a pivot, is made from a very flexible TPE (thermoplastic elastomer). In order to get a good bond between the two materials I didn’t want to rely on material adhesion alone because of the shear forces acting across the joints between the two materials as they are operated. So in this design I incorporated interlocked mechanical connections between the two materials where those features were printed through the layers. This in itself was another example of DfAM, because understanding how the layers would be printed allowed me to design a robust, yet manufacturable, connection between the two dissimilar materials. In the future we will probably see 3D print heads that go beyond two materials to multiple materials, which will open up further new opportunities Part Consolidation Another opportunity using DfAM is to design what would be a multi-piece component to be manufactured in a single pass. This is called part consolidation and it reduces assembly time, and can also provide fully assembled parts that would be impossible to achieve through normal methods. The advantage of these are reduced inventory, reduced weight, elimination of assembly time and some design freedom, but they can sometimes have the downside of reduced levels of serviceability, so that needs to be a consideration. A good example of part consolidation is the antenna bracket below that was created by Airbus for the Eurostar E3000 communications satellite. This was previously a four part assembly with many internal fixings for assembly of the fabricated parts which was replaced with an AM single piece design, which also had the benefit of being both stiffer and lighter than the multi-part assembly it replaced. See this TCT Magazine article for full details Integrated Mechanisms Another opportunity that Part Consolidation can provide is the possibility to create integrated mechanisms that are multi-part assemblies with functional mechanisms that work straight off the printer. Perhaps one of the most famous is the NASA Space Wrench that was 3D printed on the International Space Station as part of their 3D Printing in Space investigations for supporting long-term exploration missions. In a weight-less environment it’s probably not a good idea to have lots of small parts floating around, so this was designed as a working wrench where the ratchet mechanism was created directly inside the part during printing. The first time the wrench is operated any small bonds between the parts are broken and the ratchet mechanism works. Another good example of an integrated mechanism is this Platform Jack that can be downloaded from Thingiverse Part Customisation Another key advantage of AM/3DP is it’s ability to take advantage of part customisation where every part made differs slightly to suit individual customer needs. Here DfAM plays a role in the area of Mass Customisation where a mass produced part is used with a customised 3DP/AM part to produce something that has the best of both worlds. Mass Customisation earbuds are a good example of this where mass-produced earphone drivers come together with 3D printed tips that have been created from a scan of your particular ear contours. This leads into the ability to satisfy something called “The Market-of-One”. This opportunity is where either mass personalisation, or a fully customised part, is a true one-off product that will perhaps never be repeated, but for which a commercial opportunity exists. In DfAM this customisation can be achieved by using a full parametric design approach where the key adjustable features in a design are defined in a parameter table such as this example below in Fusion 360 : This table allows new dimensions to be quickly input into the parameter table and the design then updates automatically to reflect these without the need for any additional design work. The customised design can then be rapidly output to slicing software for final preparation. In this way customised designs can be produced and prepared for manufacture in a matter of minutes. Have You Taken Advantage of DfAM ? The difference between what’s covered in this post compared with DfAM in my first post on the subject is that all of the above techniques need to be considered at the concept stage of designing. In this case it needs the AM/3DP mindset to be adopted right at the very outset. There's an example of that in this video made by HP which shows some of the above DfAM principles I've described combined into a very durable 3D printed part with a high service life It can be quite a difficult transition to make to take advantage of the freedoms that AM/3DP offer, and it maybe needs a degree of innovation and creative thinking to make the most of the opportunity. One of the things that is now starting to emerge are higher education courses and apprenticeships dedicated to the use of AM/3DP, and these will undoubtedly be useful in embedding these opportunities in the design-make workflow for the workforce of the future. At the current stage of DfAM we have merely scratched the surface of what we can do and I’m really excited to see how we exploit the advantages I’ve outlined above in the future. So, I’d be really interested to see and hear from the community how you’ve taken advantage of DfAM, and what your aim was ………….
  43. 1 point
    I just finished this. It was a multi-part print for ease of painting. Some of it I am not sure what happened...but hey, it is purty....And, I am unanimous in that ? Test Render Parts Finished piece
  44. 1 point
    Finally I have been able to finish my locomotive shed. All files are available on youmagine. Have a look at my website at: https://zoev89.github.io/locloods/index.html
  45. 1 point
    This one, btw: https://de.aliexpress.com/item/3D-Prnter-Power-For-Ultimaker-2-UM2-Extended-Power-Supply-3D-Printer-Parts-24V-15A-Top/32707066340.html Works for one year without issues now.
  46. 1 point
    If you decide to "clean out the cura folder" make sure you delete everything in %appdata%/cura/3.1/
  47. 1 point
    Then why even have material settings if they never change what is on the sidebar? That seems like a lot of wasted work on both the programmer and the user if changing materials doesn't change the temp to the preferred setting. This also doesn't sound correct since it will change the print bed temp just not the hot end temp. What am I missing here?
  48. 1 point
    Hi joris, The PSU might shut down with dual extrusion, if all heaters and steppers are switched on at the same time. There are power budget settings in the firmware to limit the wattage for the heaters and bed heater. I suggest using the forum search with "power budget".
  49. 1 point
    Sooo, I just finished my first successful print! Even if there is still room for improvement in my settings, now my kids too have a cool traffic cone to play with (scaled down by 50%) : I’m deeply thankful to the incredible people that made this possible. My four years old printer is born again, once again (after the olsson block, a new feeder, and some other mods of my own). I’m still surprised and delighted by the power and the good of open source hardware. Now, to come down to some more mundane considerations, here are the caveats I encountered and how they were solved, in the hope that this can be useful to others. I stand to be corrected if any of the information below is not accurate. 1. got a temperature error 01 as soon as the printer started. There was a short on the mark 2 expansion board, therefore the firmware was reading an extremely low value for the #2 temp sensor. => check the expansion board visually and if necessary with a multimeter, for shorts. 2. was not sure which one of the firmware binaries from github I should chose. I used what I thought to be the most conservative choice initially (Mark2-dual-17.02.2.hex), but the fans on the printhead #2 were not working at all. This firmware does not work with the expansion board. With the thinkergnome flavor of the firmware it worked perfecly. This was confusing at first: when something does not work, one never knows exactly why, and it took me a while – and some unmounting and inspections of the cables & hardware – to understand that the problem was the firmware. 3. I had occasional weird errors like « x/y limit switch error » while trying to perform manual homing. I guess this was caused by me switching between firmwares, performing factory resets and other calibrations. I calmed down, and this issue seems to be gone... 4. I had the same problem as MarcoUbtz with the printhead crashing into the front left corner upon tool change, and the solution by foehnsturm (set layer start at X{100} Y{50} in travel menu ) worked for me as well. 5. I’m not the smartest guy on heart, but I did not realize immediately that the three options in the Cura plugin need to be activated (at least in 2.6.1). 6. The cable of the feeder stepper motor that came with my UM2+ extrusion upgrade kit was just too short to route it properly to the mainboard. I cut the wires and soldered some extra 20 cm from another similar cable inbetween. Perhaps it would be nice to include an extension cable for the stepper in the mark 2 kit. (as a side note: could soldering the stepper cable and/or adding an extension cable cause electromagnetic issues? just wondering) The instructions on http://magnetic-tool-changer.com/ are outstanding for such a community project. I also found the cheatsheet posted by chiz on May 24th very useful. A link to it in the instructions pages would be very useful. As a side note, I used colorfabb XT white for the printed parts. And cyanilacrylate glue for fixing the magnets.
  50. 1 point
    Das es nach dem Geschirrspüler nicht so gut haften will, liegt vermutlich am Klarspüler.
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