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Gero

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  1. I print TPU on one of my Ender 3s all the time. Took me quite some time to get the settings right. I also have a direct drive one which needs some different settings, but is also working great now. I use a retrac distance of 2.5mm with a speed of 50mm/s. I also enabled z hop with a height of 0.4 mm to avoid any "antennas". All printing speeds are set to 20mm/s with a hot end on 225°C.
  2. A little update: A simple "+" is also not working and disrupts the transmission of the file into the cloud. There might be even more signs that don't work.
  3. Hello there. It seems I found the issue, why some printers rarely have the status "printing" without any progress bar displayed. This appears to happen when the active leveling process at the start of the print failed. Like when one of the nozzles didn't touch the build plate, but the printer somehow thinks so. In this case the printer displays the active leveling as failed, aborts the print job and homes. Most of the times the printer tries the same print job again afterwards. When the active leveling process works in the second attempt the printer works on the print job
  4. Update: Alright. After 2 days of testing everything in the network setup, reinstalling cura, resetting printers, multiple times, creating a new DF account and even setting up a new wifi network, I finally found the issue. It was the print job file name! The file came from a co-worker who used a comma between the version numbers, in this case "v3,1". As the printer does not have a problem with this when printing over a USB stick or sending the print job over the network, it took me 2 full days to find that out. Even more strange is, the "error" I see when sending this file. It's
  5. Hello there. I have the problem that I can't send print jobs via the cloud-print-function to my UMS3. The printer is visible in the DF, I can check the camera feed via the web-interface. Cura even detects the loaded materials from the printer via the cloud. But when I click on the "Print via cloud" button nothing happens. I noticed that the little blue cloud symbol on the selected printer in the top right disappears for a second after I clicked on sending and changes into a "cloud disconnected" symbol. The blue connected symbol than comes back.The printer stays visible in
  6. Hello there. Does the UM2+C have hardened extruder gears like the UMS3 and S5 for abrasive materials? I know I can upgrade the nozzle of the UM2+C with a Rubin nozzle but can the rest of the printer handle abrasive materials as well? Thanks in advance.
  7. I am currently thinking about getting a material station for my S5. I know about the other features and how I could improve my work with the S5 with it. Besides that, it would be a 'nice to have' and probably fun to play with. But one thing I don't understand is, why is the material station holding the humidity at 'only' 40%?As far as I can tell from my own experience, something low as 10-20% works great for high Hygroscopic materials like Nylon and PVA (which I use a lot). Were there some humidity tests at Ultimaker which say 40% works great or is this the
  8. Hi everybody. I recently made a CURA slicing test on all my different machines I got: -Windows 10 PC which is my strongest machine -Apple MacBook Pro 2020 with M1 chip -IMac form 2017 with Windows in Dual-boot My testing shows that CURA isn't optimized for the M1 chip yet (judging by the results). Is this something for the future? Judging by other speed tests I did the slicing speed on optimized M1 software should beat most other windows Pc's... Cheers!
  9. I found out that it is the material type that throws cura out. Duplicate the generic ABS profile and change what you need to change, but don't touch the material type. As long as you change the density of your material, it works fine. Yes, you have to load the material as generic abs on ultimaker printers in order to make it work... This way it works fine with custom materials in cura. But I agree with you: This is something that should get fixed. Either give us more generic material choices or just let any custom material work.
  10. Based on my experience I would take a look at the feeder. Maybe the PVA was already worn down and there is some PVA dust in the feeder. I also had the error two times in the past telling me the feeder was out of the filament when there still was plenty on the role. Maybe quickly open the feeder and clean it. Should be a quick thing to check for before doing anything else...
  11. It is actually a food dehydrator which I modify to suit as a spool heat chamber... It's this one here: https://www.amazon.de/gp/product/B0012US5Q8/ref=ppx_yo_dt_b_asin_image_o08_s00?ie=UTF8&language=en_GB&psc=1
  12. Never heard of this adhesion stick you used. Gonna recommend Magigoo for pretty much everything. I used almost all different varieties they got and so far they all work great. But most importantly, make sure you spool is dry. I wouldn't trust new spools completely. I print all my spools from a heated chamber which runs at 40-45°C 24/7. Getting those fine stringing "hairs" everywhere indicates a possible wet spool.
  13. Would guess that at those points the wall is a bit thicker so that the inner wall line isn't enough to close the gaps. Try to set the setting "Fill gaps between walls" to "nowhere" (in the shell tab). Might be the fastest way to get what you want.
  14. I am using the Ultimaker Nylon for almost 90% of my prints in the S3. As I sell those printed parts to costumers, I needed a good quality and reliable bed adhesion. So I am using the Filafarm flex solution. But the key for the right adhesion without warping and super easy removal is the bed temperature for me. 40°C is the sweet spot there. For small parts I add some Magigoo PA, but for most prints a clean bed is already enough. With the bed temperature cura suggest for the material profile, I often get warping parts...
  15. I can only confirm this! Since cura 4.4 I ALWAYS save any new custom profile or material as an exported file in an extra folder. This is gonna save you A LOT of hassle if something goes wrong. Cura crash, new, version, new PC, corrupt backup, etc. If you always export your new settings/profiles you are (mostly) save from those events. Just save your stuff! Export everything. At least before updating! (Also, don't reinstall your old cura version. you never know what bugs you might get. personally I always keep the last 3 versions on my system. just to be safe...)
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