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  1. Bath interferometers. I have made about 20 of these for people who use them to test their telescope mirrors. They are amazingly accurate and can do better than a $40,000 Zygo PSI optical tester. These can test to almost 1/1000 of a wavelength of light although having the mirror within 1/10 of a wave is more than good enough. Basically anything in the photo you suspect is 3d printed - is 3d printed. The screwdriver is not and the tripod that holds it is not. Everything else plastic is 3d printed. Mostly PLA, some parts on the interferometer itself are nylon as they need to ben
    10 points
  2. I am quite proud to announce that sometime this morning, someone was the 1,000,000th to download one of my plugins from the Marketplace! To celebrate, all my Cura plugins will be available today for the very special price of FREE! (oh, wait, they always are 😉). As always, some exciting updates are coming up.
    9 points
  3. I have created a plugin that lets Cura access HID mouse devices such as the 3Dconnexion Spacemouse. It's called RawMouse because the plugin interfaces directly to the raw device without the aid/hinderance of an operating system driver. It's not a sophisticated all-singing, all-dancing interface, it simply converts the HID mouse commands into the equivalent 2D mouse commands. It has been (vaguely) tested on Linux and Windows 10 and it should also function on MacOS (10.13 upwards). For a quick install, unzip the latest RawMouse.zip from https://github.com/smartavionics/
    8 points
  4. Hey guys, long time no see here. First of all, I'm happy that the Mark2 community is still alive (and kudos to @tinkergnome for doing the support work!) So, here's a small project which addresses one of the weaknesses of the S5 design: Prints which require good cooling, particularly with PLA and/or of smaller size, are really not among its specialties ... Printing with core1 shows even worse results than with core2 and walls facing left generally suffer more. There are two main reasons for this. First, introducing radial fans with the UM3 was a good idea b
    8 points
  5. I was asked to implement the Schwarz P and Schwarz D TPMS infill patterns by a user who wishes to compare their properties with the already implemented Gyroid pattern. This I have just done and so I'm just letting people know in case anyone wants to give them a go. This is Schwarz P ("Primitive") and I don't think it is so good for general infill as it requires a lot of travels because each layer consists of a bunch of closed loops. This is Schwarz D ("Diamond") and, like Gyroid, each layer consists of wavy lines so it requires fewer travels.
    8 points
  6. Somewhere around 10:00 AM this morning (CET), the total number of downloads of plugins I've published to the Marketplace crossed the 500.000 mark: Statistically, it is most likely that it was someone installing the OctoPrint Connection plugin, but I have no means to see exactly. I am fairly proud of reaching this milestone, less than 2 months after Ultimaker celebrated 1 million downloads from the Marketplace, which itself was only launched a year ago. I'll do my best to continue to improve your Cura workflow.
    8 points
  7. I printed this model last month..
    8 points
  8. 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 pr
    7 points
  9. Ultimaker Cura has hundreds of configurable slicing settings in custom mode. If you mouse hover over a particular setting, a description of what the setting does will appear. You can also search for a particular setting using the search bar to get what you need quickly and easily. In an upcoming release, we've also made each setting's description searchable for more ease-of-use. @ghostkeeper has also made a plugin that you can download from the Ultimaker Marketplace that adds even more description to each setting. BUT: Are there settings n
    6 points
  10. In times of Corona and the call #stayathome, we thought we would become more self-sufficient to avoid shopping. So I had the following idea, where my Ultimaker S5 supported me a lot and, as always, provided me with very good services and results. You wouldn't believe how versatile such a 3D printer can be. But pictures say more than words: 1.) Set the bed temp to 27°C 2.) Put the bowl with the bread dough into the printer and let the dough rise for one hour 3.) Put the dough in a basket and let him again rai
    6 points
  11. I was looking into a way to occasionally print Ninjaflex or other real flexible materials (85A) There's no way you'll be doing that reliable with a bowden setup (ok, I've seen people using oil in the bowden but nahhh), so I compared a quick and dirty direct drive conversion on an Ultimaker2 head (tested on my DIY GO) and on the ultimaker S5 **** first a warning, Ultimaker does NOT want you to open the S5, it contains an open style high voltage power supply, so it's DANGEROUS!!!, also the electronics can be damaged and I'm pretty sure you loose your warranty.
    6 points
  12. Today we celebrate the launch of Ultimaker Cura 4.7 stable. After yet another Beta test period where our amazing community helped us test, we feel comfortable to move forward. So, what do we have in store for you: With this launch we are also trying something new. We've created a short video where we inform you about a range of new features that are in Ultimaker Cura 4.7. What do you think? Is it useful for you? The usual description and highlights of Ultimaker Cura 4.7 you can find underneath. Improving your workflow Adding a Cloud printer to Ultimak
    5 points
  13. A user of my Cura builds asked about reducing the chance of resonance when printing areas of skin with short lines. I have therefore added a new setting "Avoid Frequency" that, when non-zero, specifies the resonant frequency to avoid. Skin, infill and support interface lines using the Lines and zig zag patterns that would be printed using hot end motion within +-/20% of that frequency will be slowed to move away from that frequency band. Here's an example showing the speed reductions in the narrow(er) skin regions... So if anyone uses a printer that has res
    5 points
  14. Hi folks, I'm new to Cura, but after finally upgrading my OS (I use Ubuntu Linux) I found that Makerware is no longer offered for Linux, which means suddenly I couldn't drive the 3 Replicator 2's that I have. This gave me the push I needed to get into Cura as I'd heard such great things about it. The only problem is, is that it seems not many who use Cura have Replicator 2's, and the built in profile is for a Replicator 1 and needs some tweaking. Furthermore, the X3GWriter seems to want to detect it only as a Replicator 1, which has different numbers of steps per mm so
    5 points
  15. I just read a rumour about a drop in core, bowden and feeder to handle continuous fibre.
    5 points
  16. You know i'm not supposed to talk about it. But it is nice to make a product where "it sucks" is a feature!
    5 points
  17. Hello there, do you also love Cura but sometimes get lost in all its beautiful settings? In our knowledgebase on Ultimaker.com we have dedicated many articles explaining how those settings work. So if you find yourself wondering how a certain setting works or if you just want to learn more about what Cura can do, visit this link; Cura settings explained. We put a lot of effort in writing these guides so let us know what you think! Looking forward to hear from you!
    5 points
  18. Get our crap together? Excuse me? You're using an open source product, on hardware that we don't sell or support. We don't even have those third party printers nor the capacity (and desire) to actually test them. So if you want to prevent issues like that, pleas use the beta and report these issues during the beta. As you can see, i've managed to create a fix for this within a single hour of this being reported. We test Cura as much as we can, but we greatly focus on Ultimaker machines since 99% of the development of Cura is paid from the revenus of Ultimaker.
    5 points
  19. Printed a new air intake for my car. Has a bracket that screw onto the engine to secure it. Printed on the Ultimaker S5 in PA-CF and painted so it doesn't absorb oils and dirt.
    5 points
  20. Hi, First off i really don't think swearing is needed when asking for help, you are wanting help so be nice to them that want to help. The changes it means are any custom edits you have made to the profile settings, so any settings listed under the "Customized" part, so in the case above its your Printing Temperature (Extruder 1). I personally use it alot, because i edit my settings for supports and cooling so as i swap between profiles for differnet quality or filament types it keeps all my edited settings so i don't have to keep editing them all the time.
    5 points
  21. I certainly cannot comment on all your findings as some would require to be a firmware dev. But this information here might help to understand why things are as they are atm. 1 - The printer is waiting for the heated bed to cool down. As soon as it is cold enough to touch you get the "confirm removal" button and can finish the process. The background here is a legal one: the machine has to be safe so removal should not be allowed if there is a risk to burn your fingers. Safety is part of professionalism - whether we like it or not in specific cases. You can speed it up on your
    5 points
  22. Please use this subcategory for any questions regarding our online services. By posting here instead of in the Cura threads, chances are that the right people look at your question sooner!
    5 points
  23. Great work @cloakfiend ! Hope you woke up 🙂 yesterday i assembled my latest print and used some primer. Still needs to be sanded a little bit. After that painted and will get some epoxy.
    5 points
  24. Some of my work for silicone mold making
    5 points
  25. There are companies that take the open source, make changes and give these modified Cura versions to their clients, forgetting to share the changes. This does not make Cura any less open source, but it does make those companies arses.
    5 points
  26. So let me get this straight. You have a five year old printer, so four years out of warranty. You modified it by attaching something it was not built for which caused it to fail and now you're pissed they don't give you a mainboard for free and spend time to figure out what broke when you messed around with it? Don't you see how unreasonable this is? You're also warning people not to post things that might show that you've broken your printer by misusing it so you can still abuse the warranty and get free parts for it?
    4 points
  27. Thank you for your many contributions. Cura would only be half as good as it is today without your plugins and the rest of the code. Please continue to surprise us with new ideas and plugins.
    4 points
  28. thanks anthrix for your findings! to take things a little bit further, i did some work lately on this particular topic, and these are my findings so far: 1. have some freewheeling diodes added to the PWM outputs of the SKR V1.4 to avoid overvoltage damage to the output MOSFETs: bigtreetech-skr-v1-4-turbo-freewheeling-diodes 2. also, do _not_ use smoothing capactors on PWM outputs. this is simply bad practice that puts a lot of extra stress on the MOSFETs. instead, use proper PWM settings in your MARLIN configuration. 3. TMC5160 drivers should have stealthchop enabled, but
    4 points
  29. @gmeardi If you can love the solution depends on how much you are willing to stretch 'easy', so here we go. Before working with the Ultimaker S5, I've never really put my mind to NFC technology, so there are very probably some gaps in my understanding. Most of what I've learned, I've deduced from comparing the data from different spools and with different amounts of remaining material. The rest I could fill in reading the relevant python code of the firmware after ssh-ing into the printer. As @Daid pointed out earlier, Ultimaker tried to implement NDEF records. Accordin
    4 points
  30. Couple photos for now.
    4 points
  31. So we received a jigsaw puzzle from my wife's twin sister to work on while self isolating. She did advise us that she thought there was a piece missing, and sure enough there was. With that as a challenge, I photographed the missing piece of the puzzle, brought it into SolidWorks and vectorized it using "Sketch Picture", extruded it to 0.080" (2mm) sent it to Cura and in turn sent to my UM3. My wife then painted it to perfection and "Voila" the lighthouse was restored. Now I'm just looking for the next
    4 points
  32. Wanted a power socket on my TONONE reading light. So I made one. Colorfabb color on demand PLA. Added a little piece of ninjaflex for friction against rotation.
    4 points
  33. So with a bit of modding cable for screen all working with skr 1.4 and ultimaker 2 controller screen, led, buzzer, sd card also working fine. Running marlin 2.0.x. Couple more bits and 32bit Ultimaker up and running.
    4 points
  34. People kept badgering me to add this feature (https://www.cnckitchen.com/blog/gradient-infill-for-3d-prints) but I'm not yet convinced it's a good idea. Anyway, it's been a rainy weekend here so I had to do something. Here's an example of what it does... Notice how the infill that's away from the walls is thinner than the infill that's close to the walls. If you want to try it, you can find the builds at https://www.dropbox.com/sh/s43vqzmi4d2bqe2/AAADdYdSu9iwcKa0Knqgurm4a?dl=0 Please, please, please, read the README.md file that's th
    4 points
  35. I was talking about the other points in the original post, not the Cura crashes. But it’s hard to keep track with so many different types of issues in a single thread. With regards to Cura crashes, it would be best to submit an issue on the GitHub repo of Cura with log files attached. Otherwise the devs cannot debug your issue.
    4 points
  36. Hi everyone! My name is Lucas Baronzini, I am from Buenos Aires, Argentina. I work for Altana3D which is an additive manufacturing company that offers solutions for both medicine and dental applications. We actually own 8 Ultimaker 3 Extended that we use specifically for biomodeling and prequirurgic design/planning. We also, as a side business, provide 3d printing servicies for other areas. Thank you! www.altana3d.com @altana3d
    4 points
  37. Sadly it failed. Have no idea why. I need to hit up some time lapse forums. Instead of 14000 photos. I have 1 folder of 0001-2170 and another folder of 8999-9999 so upset and gutted. It would have looked so cool. Either way ill speed up what I got but the magic happens at the start. Last frame. I don't even have the first..... what a dumb system. I've been f-ing and blinding for the past 30 mins. So annoyed. Oh well. Bugger.... Hold up... its weird... I actually think I have it somehow? But 1 photo every 15 secs is 4 per min and thats 240 per hou
    4 points
  38. Bronzefil @.15mm , PVA support. S5.
    4 points
  39. I ran into the same problem. This did the trick, for me: Make sure there is no cura.exe process running, by looking in Task Manager (or just rebooting to be sure). Go into .../AppData/Roaming/cura/4.4 (or whatever version you are running) Delete cura.lock, if it is there. If it is not there, and Cura is not running, then this isn't the problem for you. There is no risk, at all, in deleting that file. It gets created at runtime and is really only valid while Cura is running. If it doesn't get deleted when Cura exits, it will cause the package manager to hang.
    4 points
  40. I would really like to know where you find that scientific experiment. I agree that the press isn't the most trustworthy source of knowledge. And I will not disagree that plants need CO2 to grow. But claim that we can solve all our problems by emitting more CO2 I find hard to agree on.
    4 points
  41. Looks like he's undergone quite a bit of plastic surgery while he was gone...
    4 points
  42. I think I figured it out. Cura 4.0.0 now has a new feature where you can select different number of cooling fans. I looked at the gcode exported from cura 3.4.1 and the gcode from cura 4.0.0. I noticed the M106 command was exported as M106 S255 P1. I compared this to the gcode exported from cura 3.4.1 which just had M106 S255. I first tried to modify the gcode to have M106 S255 P0, AND THAT WORKED Later in my investigation I noticed in the "Machine Settings" under "Extruder 1", there is a new setting called "Cooling Fan Number", by default it was set to 1, hence the "P1" referen
    4 points
  43. Hi guys i'm trying to build ultimaker with skr 1.4 and tmc2209 drivers but i'd like to have original lcd at the front of machine is it possible to use skr with original ultimaker screen. Thanks in advance.
    3 points
  44. Cute how in the video the 90 degree widgets are mentioned but then not used. Click the arrows on the arcs to rotate by 90 degrees. PS: @fieldofview is @ahoeben on the forum.
    3 points
  45. I think we still don't have much data about this because I've gotten files that should have this problem print fine, and it happens with network prints and UFP files as well.... I though we'd already see this via sentry but nope... I'll add a way to log it to sentry, I think that's the only way to catch it in the act so to speak. it'll take at-least 2 new version at the earliest to have a fix for this problem but maybe the fact that this is really hard to find/reproduce and it's being looked at helps a bit 😕 BTW we've started using a tool called sentry to collect data on crashes
    3 points
  46. Hi everyone, Once again a stable release has come around. 4.5 contains a range of useful community contributions to give you better performance and extended features. Some notable ones: Brim distance. This new setting contributed by smartavionics allows you to define a gap between the brim and the model for easier brim removal and reduced chance of leaving a mark on the finished piece. 'Skin Edge Support' settings. It’s now possible to add an extra line inside your infill that supports the edge of the skin better. Two new settings contributed by smartavionic
    3 points
  47. Hi, the intent profiles have been quite a game-changer for us, since we have profiles for Tough PLA that reliably produce accurate parts, our S5 is getting more usage than ever. Now, Tough PLA is a good material - until there are special requirements, such as high temperature or chemical resistance. So we'd love profiles - especially for CPE and Nylon, in our case. Is there any timeline on when additional intent profiles will be released? Will they be released as part of a Cura Update, or will the material profiles be updated seperately?
    3 points
  48. My first dual extrusion print came out pretty good! Thanks to everyone who made the Mark2 project possible.
    3 points
  49. Hi, this is my new hobby milling-machine with 800x500mm workspace. Contains about 4kg of PLA for spindle-mounts, e-chains, suction system, end caps... PLA works great for this. I have just added thermal isolation plates between the motors and the spindle-mounts.
    3 points
  50. Your are cumulating lots of oproblems. - STOP printing at these T° with your stock printer ! As you have already done it, your bowden tube must be replaced. remove if and you will see that the end part that touch the nozzle is in bad shape. cut this part (perpendicularly !) I don't have a Cr-10 but an ultimaker original and an ender that is pretty the same as the CR10. If you change the hotend, you will need : - to make adjustement in the firmware (to reach 250/260°C) - to run a PID tuning (use pronterface) Why do you wri
    3 points
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