Printing here with eSun PLA at 215 C on a Prusa Mini, and there are lots of hairline strings.

What’s causing those strings? Temp too low?

  • rambos@lemm.ee
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    8 months ago

    You already got a good answer about lowering temp and tuning retraction. Other than that, you have underextrusion there (gaps in the flat part on the build plate). I think you should extend your calibration:

    Calibrate temp - flow - retraction

    To reduce stringing you want:

    • lower temp
    • higher retraction
    • faster travel speed

    Be careful with first two, if you go too far you might get a clog. Sometimes its just better to accept some stringing, but since you are at 215 I bet it can be improved quite easy