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IRobertI

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  1. Check the "Object list" in the lower left corner
  2. Try making your wall thickness just slightly thicker. Or reduce the line width setting in Cura a smidge. There's also a setting called horizontal expansion which will artificially make your walls a little bit thicker. Pick one of those three and you should be good to go. Basically what's happening is that it's an edge case for the math involved in creating the line segments.
  3. The UM2 Go is a single extrusion printer, only one nozzle, so dual extrusion settings are irrelevant in this case. Looking at the latest picture, the plastic that is loaded looks quite thin but I'm not 100% sure. But yeah, that's the first thing to make sure, the diameter should be 2.85mm (sometimes sloppily called "3mm"). Not 1.75mm which is the other standard and that will not work. Underextrusion is a complicated problem with many possible causes: https://support.3dverkstan.se/article/23-a-visual-ultimaker-troubleshooting-guide#underextrusion
  4. Do you mean Ultimaker 2 Plus? What material are you trying to print with? What settings are you using? What nozzle are you using? Is it a new machine, an old one, something inbetween? Has the printer worked fine before? Does it happen with all prints or just this particular one? What steps have you tried so far to troubleshoot? In short, we need a lot more info to be able to help.
  5. Yes, it will print at that size. Cura is metric, so if you're not sure you converted it to metric or not that should be the first thing you check. Alternatively you can scale it within Cura.
  6. 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?
  7. I think what he meant was to change the number of "Outline/Perimeter Shells" to get rid of that infill in the middle. Adding one more shell might make it so that you get just solid wall lines. That said, I wouldn't worry about the printer failing because of this. But for speed and noise reduction it's nice to get rid of these kinds of movements.
  8. To help, people would probably like to know what your current settings are and what the goal is. I can say, "increase your print speed by 1" and I've technically answered your question 🙂
  9. Just something to keep in mind, Cura is metric. So if you export your models in imperial you'll have to scale them accordingly in Cura.
  10. You have opened a gcode-file rather than an STL (or other 3d-model file supported by Cura), that's why you can't change any settings.
  11. Unless you've turned off active levelling, the printer will measure and take care of the height offset between the two cores. To be a bit pedantic, the UM3 can also use Breakaway. The material was launched before the S3 and S5 existed.
  12. Not sure I agree with you here. Breakaway is made to be printed in the same(ish) way as PVA, in direct contact with the material you're trying to support. If you're going to have 1mm distance between support and support-material you might as well use the build material for support and save time and money.
  13. Do a lift switch calibration and you should be good to go: https://support.ultimaker.com/hc/en-us/articles/360011474120-Lift-switch-calibration
  14. I mean, it's almost one option as it is. Changing "Support extruder" sets all the options below to that extruder (which you'd have to do regardless) and then change "Support infill extruder" to your other extruder and you're done. It's not a super common thing that people ask for since quite often it's not applicable as the support would be stuck inside the model.
  15. You can just change which extruder to use for the different areas of the generated support.
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