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Showing content with the highest reputation since 12/31/2018 in all areas

  1. 10 points
    Hello! You may have heard stories about glass plate having one side which brings you slightly better adhesion compared to the other side, or perhaps you have experienced this first hand yourself. Allow me to provide you with some background information and some instructions to figure out which side you should be printing on and which side you should use if you want to add an adhesion sheet. The difference is first introduced during production. When our glass plates are being made, near the end of the production line there is a hardening process. During the hardening process, the plates float on a layer of tin and are heated from above. This creates a difference between the two sides. There are two main factors that ensure good adhesion to the glass plate: wetting and flatness. Wetting is the ability of a liquid to maintain contact with a solid surface. Lower surface tension means better wetting. The non-tin side (i.e. upside during the hardening process) has a lower surface tension than the tin side. Therefore the non-tin side is recommended to print on. If the sticker that is on your glass plate fell off, you can do a simple small test to identify which side is which by placing a drop of water on both sides of the glass. (Not at the same time though). The non-tin side, the side you want to be printing on, is hydrophilic and the water disperses. On the tin side, the water will form a droplet (this side is hydrophobic). If you want to use an adhesion sheet, it is recommended to stick it to this side. Hope this helps! Let me know below if you have any further questions!
  2. 10 points
    Took me forever to do this. And it is still rougher than I would have liked. 3D concept rendering: Finished piece:
  3. 5 points
    The Cura team is now working on fixing a couple of bugs related with the error checker and the Z Hop Speed for the Creality 3D printers. We found the problem and we plan to release a hotfix ASAP. Keep you informed. Thanks for all the feedback.
  4. 5 points
    There are 400+ people working for Ultimaker. There is no way that everyone can know what is happening at any given moment. So yeah, I do work for Ultimaker, but that doesn't mean that I can give answers about everything that's going on at any given moment. I understand that people are frustrated about it, but there is also no need to start lashing out at anyone working for UM that is responding to things in this topic. I'm trying to help in what limited way I can. Not because I have to (because hey, it's not my job), but because I feel that it's important to do so. Let's turn it around a bit; I'm seeing a lot of frustrated people. But due to me not working on the right project, there is little I can do about it. What I can do is respond at some of the other remarks that were being made. Upon doing so I suddenly get attack for doing that. What kind of message do you think that gives off? If that happened to you, would you feel that it matters that you're trying to help? I doubt it. So yeah. I do respond a bit cranky if my genuine attempts to at least do something get annoyed responses. It frustrates me that what little I can do about this issue isn't going to fix it. I also get that your frustration is even worse because there is even less that you guys can do about the problem and for that, I'm really sorry. There just is no more information than "We're working on it as best we can". I know that's not a satisfactory answer because quite often this is used as a "shut up and leave us alone" response to get people to stop complaining. But it's the best answer I can give because it's the truth. We are working on it, it is something that a lot of people (myself included, even though it isn't my problem) feel strongly / responsible about.
  5. 3 points
    Here's an updated version that supports more replacement patterns: Cura 3.5-3.6: http://files.fieldofview.com/cura/CustomJobPrefix-v5.0.0-2019-10-10T14_23_56Z.curapackage Cura 4.0-4.3: http://files.fieldofview.com/cura/CustomJobPrefix-v6.0.0-2019-10-10T14_23_56Z.curapackage {printer_name}, {printer_type}, {layer_height}, {machine_nozzle_size}, {material_type}, {material_weight}, {print_time_hours}, {print_time_minutes}, {date_year}, {date_month}, {date_day}, {time_hour}, {time_minutes}
  6. 3 points
    Now available is a Linux AppImage that runs on an armhf system (e.g. a Pi 4). It has received minimal testing but it does appear to work (I sliced a benchy OK!). Obviously, even the amazing Pi 4 is still quite limited compared to most laptops, etc. so don't expect stellar performance but it is surprisingly usable. I think it exceeded my expectation. It is highly recommend that you have 4GB of memory and a CPU fan! Known limitations are that currently the layer view only works in compatibility mode and that the UI QML is slow due to lack of JIT support. If you try it out, please post feedback on this thread or open an issue at https://github.com/smartavionics/Cura/issues. You can find the release at https://www.dropbox.com/sh/s43vqzmi4d2bqe2/AAADdYdSu9iwcKa0Knqgurm4a?dl=0. Remember, all my builds are provided with no warranty whatsoever. That said, I try to fix issues where I can.
  7. 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.
  8. 3 points
    Ha, I see what you did there with the blog post title...
  9. 3 points
    En dessinant le remplissage dans la modélisation de l'éprouvette... et en imprimant sans remplissage.
  10. 3 points
    On an (almost) unrelated topic, Here is a photo of four Chainmaille crosses that I designed and created in 12 gauge wire rings. Les
  11. 3 points
    yay! It was a pain to hold the fabric. my clips are either too big or too small. 😞
  12. 3 points
    What @Steverc1572 and @PatK say together just about describes an issue. I'm guessing it's the same issue. PSA: please be a bit more descriptive when reporting something. What did you do (step-by-step), what did you think would happen, and what happened instead. Especially that step-by-step description is often important to be able to reproduce a bug. A bug that cannot be reproduced often can not be fixed. Finally, it is very helpful if you mention what printer type you added in Cura.
  13. 3 points

    Version 1.0

    2,890 downloads

    During my spell working in the Art department on 'Avengers Age of Ultron' I was asked by the production designer to build a prop to help dress the interior set of 'Stark Towers' The model was to show the new section of tower that replaced the damaged section from the original film. As I only had 4 weeks to build it (including 3d modelling) we needed to simplify the design a bit, hence the lower portion being in laser cut acrylic. Using my trusty Ultimakers I think I pulled off the desired effect, even if it only appeared in the movie for less than a second!
  14. 2 points
    It seems that heat and age can cause this, and that some batches may be more prone to it. Just a little background on LEDs https://www.digikey.com/en/articles/techzone/2011/aug/whiter-brighter-leds also, a couple of threads with similar issues: https://linustechtips.com/main/topic/782977-cablemod-white-led-strip-turning-yellow/
  15. 2 points
    I don't want to sound like a total fan boy, but...... I have owned and still own a number of printers from many manufacturers, including Prusa and nothing comes close the UM printers for accuracy, print quality and repeatability. The reality is FDM by its very nature of melting plastic and extruding it on top of another layer of plastic will mean there are a level of variables which will always be present, different brands of filament, ambient temperatures etc etc, to get a FDM printer to be totally plug and play is just not possible, however you can get close and (for me) UM get by far the closest. When I owned the Prusa I would spend more time tweaking the printer than printing parts, which at first was fun but then just got annoying. Obviously the price point is different, but for me the UM printers offer as near as plug and play as you can get and once you know what you are doing and update profiles for different models and materials they are (for me anyway) as good as it will likely get for FDM. And as for accuracy and print quality, way way better than the Prusa for example (for me anyway). Still haven't got my glass plate though 😛😛......
  16. 2 points
    So.... what you're saying is... there is literally no reason NOT to go Mark2! Thank you.
  17. 2 points
    A new version of the plugin is required, see here:
  18. 2 points
    We are working on it right now. We found the problem and we plan to release a hotfix ASAP. Keep you informed. Thanks for all the feedback.
  19. 2 points
    Fantasiewerte sind es nicht - es sind max. Werte, die mit Einschränkungen erreicht werden können. Da du so gern auf Autos, insbesondere eines Konzerns rumreitest, du kannst ja auch z.b. bei einem Auto, das max. Drehzahl 7000 U/min hat und dabei 230 PS entwickelt, die Drehzahl fahren und hast die Leistung. Das ist fakt. Ist Physikalisch berechenbar und auf der Rolle Verifizierbar. Aber käme jemand auf die Idee, mit 7000 U/min. mit seinem Auto dauerhaft durch die "Pampa" zu geigen? Vermutlich nicht - es sei den, der Sprit ist Ihm zu billig und er will seinen Motor "killen". Da genügt es schon, dass im Winter direkt nach dem Starten des Motors sowas zu probieren oder nach dem er richtig Heiß gefahren ist, einfach ausschalten. Aber die Drehzahl kann er und die Leistung hat er da dann auch. Wenn du soviel Bauraum brauchst, kommt es, wie @DirgDiggler, schon versuchte, dir zu erklären, auf dein Bauteil an. Manchmal, je nach Bauteil genügt ja schon 45 Grad drehen, aber da hier keiner Weiß, wovon du redest, wird da nichts konstuktives bei "rumkommen"... Theoretisch wäre auch die Kamera abmontierbar, was auch noch mal in Y die max. Länge etwas weiter ermöglichen würde, wenn man das beschriebene nachvollzieht. Gruß, Digibike
  20. 2 points
    I am not really a fan of browser-based GUIs, because that leaves you with an additional variable that you are dependent on but have no control over: the browser. Here are a few examples. Firefox was excellent until one day they changed the whole UI and concept, after which it broke all add-ons and became useless for 80% of its users. This broke a lot of people's workflow. Advanced users - like most people here are - tend to install a lot of add-ons in their browser, which may create additional dependencies and trouble. Some people - or some of these add-ons - may disable java, javascript, flash, silverlight, active-x, cookies, external fonts, third-party images, right-click functions, pop-up functions, resize-functions, and whatever else. If you have a good but not very common browser, like Pale Moon (=a Firefox derivation that has kept the old GUI-concept with menubar and statusbar), then this is often not recognised by the server. And then the server messes-up its webpages by *assuming* stupid things, for example that I have a micro-screen of 320x240 pixels instead of my real 1920x1080 pixels. So it sends me garbage instead of standard HTML: it sends fonts of 5cm high, so only a few lines fit on my huge screen. The bigger the organisation, and the more they are specialised in communication (e.g. news-sites and newspapers), the worse this gets, and the less they communicate. A lot of modern browsers even mess-up perfectly valid and simple standard HTML, which by design should reflow automatically in the available window. The browser should take the default font-settings if not specified, without changing them. But they don't. For example Google Chrome Mobile rescales some paragraph's font-sizes (sometimes making it larger, sometimes smaller), but not other paragraphs. And some browsers refuse to reflow text, so it falls off the screen. So you can't even limit yourself to old-school 1995's HTML and forms, because even these break today. You don't want that kind of trouble in a slicer GUI. Cloud-based computing is even worse: then you become dependent on a very unstable variable: the internet/network, coming with all its interruptions and its hazards (virusses, spyware, interception, industrial espionage...). It is unusable while moving (train, plane) or in remote areas: even Germany has no internet in lots of its eastern rural areas. And the data going over their monthly limit, and you going over your budget. Also, this creates GDPR and similar legal problems. So I prefer independent standalone applications installed on and running on the local computer. One application per function. Preferably with all user-settings stored in the same directory as the main program, or a subdirectory "user-settings". Not splattered all over the harddisk in unaccessible directories. So that it is portable. Although of course all programs should use generic and standard datafiles for smooth data-exchange. I am aware that my view may not be "politically correct", but this has proven to work best (for me).
  21. 2 points
    @shambam I follow the standard maintenance and clenaing procedures set by UM for my UM3E, worked like a charm so far. https://ultimaker.com/en/resources/52604-clean-the-printer https://ultimaker.com/en/resources/52613-clean-the-feeders
  22. 2 points
    What do you mean with "it cannot use with Octoprint"? Because the Octoprint plugin is not working anymore? Cura itself cannot communicate with Octoprint, but there is a plugin to send sliced files to Octoprint. Normally the plugins have to be adopted for new Cura versions, so due to the fact that Cura 4.1 is beta, a working version of the plugin will be released latest when Cura 4.1 is released. But @ahoeben is normally faster than light and you will see a working version soon.
  23. 2 points
    Hello. Recently, I bought a Duet3d ethernet for my JennyPrinter3D (Ultimaker 2+ extended clone). I decided to change the original board, which was rubbish, for this one. It looks great and the webpanel is incredible. I am trying to configure the new board with reprap configurator but it is a little bit complicated. Could anyone share their parameters? It would be very helpfull. @Neotko I saw your video of Duet Connection in Youtube. It was very useful (me fue muy útil y está todo muy bien explicado). Regards!
  24. 2 points
    There is a plugin in the marketplace that puts the sidebar back in the semi old stile it was.
  25. 2 points
    My understanding is that there are many grades of aluminum but only MIC6 grade is flat and stays flat. But after you heat it and cool it for months it starts to warp. Worse than the glass. ALSO the aluminum wasn't for PLA or most other materials - only a few of the new materials work better on aluminum. I could be wrong about these things - I'm really not an expert. Ultimaker doesn't like to release something unless it works very very well and consistently. I think they have learned their lesson about announcing things early.
  26. 2 points
    Gr5 Not to be argumentative and yet; it is “highly” probable and very likely that the percentage of owners/end users and businesses active on this forum is a token percentage; who knows; maybe it’s 0.1% which would equal 100% based on your sampling. Furthermore; I personally speak with a couple USA distributors that without reservation share that they too have the same trouble getting element of urgency support as such attempt as able to satisfy the customer in house. Having shared this; I too feel that the Ultimaker Team is far less connected to the end user, particularly when there is an issue than they want all to believe.
  27. 2 points
    Right now, that's how Ultimaker Cura behaves. I have an alternative implementation of the wall gap filling in my Cura releases that doesn't shake your printer to death. My releases (which can be installed alongside the standard Cura) can be found at https://www.dropbox.com/sh/s43vqzmi4d2bqe2/AAADdYdSu9iwcKa0Knqgurm4a?dl=0 Sorry, only Windows and Linux are currently supported.
  28. 2 points
    +1 to the sidebar creator. The original UI was perfect in it's simplicity and functionality IMHO. The new one seems to be different for the sake of being different, and takes away space. This sidebar plugin is fantastic!
  29. 2 points
    Could a Z-hop be added on the first layer to the first extrusion point for both extruders and travels to the material change position? This would eliminate any risk of scratching in the larger movement area.
  30. 2 points
    GR5 I do not want to offend you, but it seems to me that you are not pursuing a good goal - to say that one is better than the other, and give an example of the testing that was. You are an adult and should understand that these are two different approaches to cooling. I will explain to inexperienced people (like you) UM2 (which has been tested) uses cooling on one plate, that is, 1 nozzle through this plate heats the other nozzle. DXU uses a separate cooling system for each nozzle. There is a separate radiator. Such a system costs UM3 and S5, and the temperature of the first or second nozzle is not connected to each other. I think for a full understanding, you can just say that the cooling system costs from UM3 for cooling radiators I recommend Sunon fans Gm0502PEV1 selected 1 means flow rate 1 strongly 3 weakly there is also a fan Sunon 1 cm thick but pay attention to 1 at the end. And yes, I am very grateful to everyone who worked on the project MARK2 and DXU for the work done and the work.
  31. 2 points
    It's not that hard to disable the perspective, all we have to do is re-implement the zoom bit. It's on the back log. I've direct all the requests I've seen about it to our product owner, but in the end, it's up to him to give it a high priority (or not of course).
  32. 2 points
    I did some tests with bed leveling before, during and after I heated the bed and nozzle and the differences where inside the margin of error that the bltouch produces even when I do two measurements right after each other when the bed is cold. I have a glass bed, I think the thermal expansion coefficient of glass is fairly small. I did a calculation: A glass bed of 5mm thickness would expand to 5.0012mm when heated from 20C to 60C 😎
  33. 2 points
    From the Cura source code: /*! * Outer polygons should be counter-clockwise, * inner hole polygons should be clockwise. * (When negative X is to the left and negative Y is downward.) */
  34. 2 points
    Installing 5.1.8 on the UM3 might brick your printer!!!! Don't try this. We are working hard to get the UM3 update working but this takes time to get stable for all situations.
  35. 2 points
    Nope, what you say is true and that's really why the sharpest corner z-seam strategy doesn't make sense for models that have corners that cannot be distinguished by their sharpness. Where it is useful is for an object that has mostly smooth curves and also an edge that runs vertically up the model and that's where you want the z-seam to be because it will be best hidden.
  36. 2 points
    The UM3 is still supported, don't worry. As mentioned above, the S5 and UM3 share a common code base and we did plan to release a new UM3 together with the 5.1 release for the S5. However ... There are more technical problems than we anticipated and the UM3 release did not pass our quality tests. The S5 with its graphical interface uses more disk space and this required another partitioning of the internal file system. Converting the existing UM3's to the new disk partition sizes is working, but we keep finding new edge cases that have to be covered as well. We are working hard to get a UM3 release out, but only want to release it when we are confident the update won't brick your printer.
  37. 2 points
    Amazing 🙂 Have you used a special fabric? I think it must be very thin?
  38. 2 points
  39. 2 points

    Version 1.0

    633 downloads

    Make a design table lamp electronically controlled. Change the shape of the lamp and light intensity according to your mood. Ready for 3D print - microcontroller Arduino - stepper motor - Joystick control. Full story on http://www.3lobitprint.cz/en/flola.html
  40. 1 point
  41. 1 point
    Not sure if it's just me or if Prime Blob behavior changed recently: Instead of a little bullet/drop it produces a small base and a taller tower, and then the print head apparently tries to wipe the nozzle on the tower *and* prevent stringing by moving downwards and towards the print as it goes. At lower temps and with extra adhesion, I can generally get away with this, but most of the time what happens is that this knocks the blob over, catches it on the base of the print head/silicone nozzle cover and then enters one of a number of not-good scenarios. Mostly it just drags the blob into the print, other times it drags the string far enough to overlap some part of the print, or if the head moves slowly enough, it doesn't quite break the string before reaching the print and the print manages to yank the cooling prime out of the nozzle. Here's an example where I got lucky, the blob just sticks to the bed, but the nozzle left a long string 1/3 of the way across the plate to the build. http://www.kfs.org/oliver/images/um3-blob.mp4 Why do the wipe *towards* the print? Wouldn't it be better to do the wipe out to/past the edge of the bed and then come back? Why is the prime thinner at the top now?
  42. 1 point
    Hello to whoever may be reading this, I recently updated to Cura 3.6 as I wanted to try out the new brim on supports to assist my tree supports with bed adhesion, however, as it currently stands, this setting is unusable for me. I am able to select generate brim on supports, however, the printer will attempt to print the supports before printing a skirt. Here is a gif demonstrating what I mean. Without printing a skirt I can never get anything to properly adhere to the bed. I was wondering if there were any plans to alter this behavior of changing the order of which things are printed, or if there is anything that I can do in order to correct this myself. Best Regards, Alithnul
  43. 1 point
    Hallo Kurt! In Cura (bei mir 4) gibt es im Menü den Punkt "Erweiterungen > Nachbearbeitung G-Code ändern". Im sich öffnenden Fenster "Ein Script hinzufügen" auswählen. Dort findest Du dann zur Auswahl "Filament Change". Dort bei "Layer" einen gewünschten Wert eintragen ab welcher Schicht das Filament gewechselt werden soll. Der Druck unterbricht dann und der Druckkopf fährt vom zu drucken Objekt weg. Hoffe ich konnte etwas helfen. Gruß Matthias
  44. 1 point
    VERY helpful. The re-design of my part has completely resolved my problem and the new parts print perfectly. But I'm sure I will run into this problem again, so the above information will be very helpful in resolving those future headaches! Thanks! Regards, Ray L.
  45. 1 point
    1: you can drop as many items on the build plate as fits your printer. This is a good idea to combine smaller prints inmto one big one for overnight printing, so you utilise the machine fully. It's less logical for already long prints, as it adds risk, if the print fails you have multiple failed prints. 2: sure, cuttout a number on the BOTTOM of the print in CAD 3: not sure what you want to print from the picture, but the simple structures (the white building blocks?) could be a lot faster made traditionally in wood f.e. so you only print the complex parts?
  46. 1 point
    First of all; thank you for the kind words as I know it is a bit of a double edged sword when I make some of my posts; the bottom line; I care. Now to your question; I too have printed much PLA without anything but a clean glass however, like you I too have been caught off guard when the occasional print lifts. As the result of this I prepare the glass “every time” thus insuring I have no adhesion related issues. It only requires a modest amount of time and glue stick and then spread it as I shared earlier to afford me “peace of mind” knowing hours later that I will be happy rather than frustrated. I wish for you only the best. Thank you again. Shadowman
  47. 1 point
    Because of a bug. Cura is extending the support that is needed on the top of the model all the way down to the buildplate, disregarding the fact that it intersects with the model. I've read that this has been "mostly fixed" (whatever that means) for Cura 4.0 (but not yet in Cura 4.0 beta 1). Edit: support blockers will not fix this.
  48. 1 point
    You are right, for sure it depends on the material. But I was confused, I expected much more time savings, a part with 0.8 took 4h and the same part with 0.4 4h20. But due to the fact that both are printed with 0.2 layer height, the saving is not so big. I claimed now 27 parts totally, and it will be funny to print all the pins for the parts - like a mass production 🙂
  49. 1 point
    Thanks for the verification @PaulK and @SandervG! Best wishes to you and yours in 2019! John
  50. 1 point
    Same here, colorfabb with a 0.6 (hardcore). no issues with clogging, and I went to 0.1 layers. As an aside, I found this material printed with almost invisible print lines, but as I was going to apply finish, I sanded it anyway, and sanding worked as expected for a softwood like pine. I did have to pay attention to infill pattern, wall thickness and print temperature, I was printing cylindrical items with a vertical hole for a lamp wiring shaft, and my first attempt had a weak layer band that fractured almost in a crystalline pattern around the narrowest portion of the print. Cura layer view was helpful in seeing what was going on, I had managed for a few layers in the fracture zone to create just wall layers that did not divide evenly by the line width and didn't really give enough time for the layer to cool. This area did declare itself visually with a darker band in the material, looked like wood that had been burned by a router bit. By increasing that zone just a little the band disappeared and a test to destruction more than met my strength requirements. I hope this helps! John
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