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That lower photo above has walls that are too thin for the printer I think. Try setting "line width" in cura 2.X to a smaller value just to see if that is the issue. If so try the largest possible nozle size where it still prints.
If your resulting nozzle size is smaller than .28mm then I would opt for a smaller nozzle. 3dsolex sells .25mm nozzles for um3. If a line width of .30 makes cura happy (or hopefully larger) then you should be fine with the .4mm nozzle. Consider maybe setting flow rate to 200% or so to compensate. You can experiment during the print in the TUNE menu to see how changing flow rate changes the look of the walls of that cowling (or whatever it is).
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Cura 5.7 is here and it brings a handy new workflow improvement when using Thingiverse and Cura together, as well as additional capabilities for Method series printers, and a powerful way of sharing print settings using new printer-agnostic project files! Read on to find out about all of these improvements and more.
S-Line Firmware 8.3.0 was released Nov. 20th on the "Latest" firmware branch.
(Sorry, was out of office when this released)
This update is for...
All UltiMaker S series
New features
Temperature status. During print preparation, the temperatures of the print cores and build plate will be shown on the display. This gives a better indication of the progress and remaining wait time. Save log files in paused state. It is now possible to save the printer's log files to USB if the currently active print job is paused. Previously, the Dump logs to USB option was only enabled if the printer was in idle state. Confirm print removal via Digital Factory. If the printer is connected to the Digital Factory, it is now possible to confirm the removal of a previous print job via the Digital Factory interface. This is useful in situations where the build plate is clear, but the operator forgot to select Confirm removal on the printer’s display. Visit this page for more information about this feature.
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gr5 2,177
That lower photo above has walls that are too thin for the printer I think. Try setting "line width" in cura 2.X to a smaller value just to see if that is the issue. If so try the largest possible nozle size where it still prints.
If your resulting nozzle size is smaller than .28mm then I would opt for a smaller nozzle. 3dsolex sells .25mm nozzles for um3. If a line width of .30 makes cura happy (or hopefully larger) then you should be fine with the .4mm nozzle. Consider maybe setting flow rate to 200% or so to compensate. You can experiment during the print in the TUNE menu to see how changing flow rate changes the look of the walls of that cowling (or whatever it is).
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