My mistake, the guide neotkto links to actually describes both the stringing and "cobwebbing problem", seems cobwebs are more tricky...:
You might want to reduce your print temperature, and increase the retraction length and speed.
This will vary from filament to filament (even from the same manufacturer), so be prepared to experiment.
My personal theory about the Barbapapa effect of the hairs it's that when 'too hot' + 'fans really high' makes the effect used on a cotton candy machine. Specially since pla has some sugar in it (from corn).Edited by Guest
@neotko, that sounds quite plausible. I have been printing PLA with fans off completely and only had stringing issues when at high temp, no cobwebbing. Worth testing out this theory when I have a moment.
Sounds like a stinging issue to me... Here are some questions to clarify more;
Do you have retraction enabled?
What are your retraction settings?
What is your printing temperature?
Do you use print cooling (from a fan)?
What is your travel speed?
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