PLA bubbles up on bed.

I keep trying but this Esun Marble PLA bubbles up. Esun rates it at 190-220C I’ve tried cooler / hotter extruder , cooler hotter bed 70-90C Raising nozzle, lowering nozzle ( as you see in the lines here ) Reducing flow to 95% Reducing speed to 20mm/s Drying filament What else can I try?
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2 Replies
xenogeneic-maroon
xenogeneic-maroon2y ago
you're way too squished, I think esp looking at the closest lines in the first pic
SimonSolar2C
SimonSolar2C2y ago
Squished appearance may be caused by too much flow. I’ve reduced it down to 86% and bubbles have reduced lots. Reduced it even more at the black mark.
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