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Without images of the problem it is difficult to diagnose, but, the described symptoms sounds as if the nozzle is too close to the bed. If the nozzle is too close to the bed, and the extruder not strong enough, the filament flow is very limited due to pressure caused by a very small opening between the nozzle and the bed. Skipping of the extruder may wear ...


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I noticed that these problems happen when there are retractions on layers. I don't have problems with round and simple objects without changes on layers or where all layers are identical. Based on the above, this is not a heat related problem. It's likely inconsistent amounts of material lost from the nozzle just prior to the affected walls. This could be ...


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That kind of issues can be related to multiple causes: Heated bed operated in "bang bang" mode (heater on until set temp reached, turned off until set temp minus threshold is reached, and so on), which causes periodic expansion and contraction. It is solved by using PID algorithm for bed heating The slicer is set with a minimum layer time and the ...


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