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Stringing is often the result of poor retraction. Retraction is when your printer’s nozzle “sucks” the plastic back in when it finishes printing a segment of your print and travels to a new point to start printing again.
You should first make sure that retraction is enabled in Cura. This setting is found on the “Basic” tab in the form of a checkbox when you are in the full settings mode (Expert -> Switch to full settings…). Make sure this box is checked.
There are several settings you can try playing around with to lessen or eliminate the effect of stringing:
On some prints that have a lot of gaps in between features you may experience slight stringing. If the stringing is very thin like a spider’s web, it is usually advisable to just remove it post-print by hand instead of fiddling with settings that you then might need to revert back to for other more common prints.
Also, make sure that the extruder motor is not overheating. This is common when you’re printing many features on a single print that have very small surface area, thus forcing the extruder to constantly push and pull the filament every few seconds instead of pushing the plastic for the most part.
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