Blobs on edges of top layer infill

I am having trouble smoothing out the top layer. At the edges there is a lot of material that I can't get rid of. I've tried tuning pressure advance but doesn't seem to get rid of it. When I tune flow rate, a significantly lower rate gets rid of the extra material for.the edges but then for the body of the infill it is under extruding with gaps between the lines so you can see the layer under it. Are there any other settings I can try?
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7 Replies
JaminCollins
JaminCollins10mo ago
Could try adjusting infill overlap
Yathani
Yathani10mo ago
Also reduce speed for the top layer finish and slightly reduce flow if required
skyline131313
skyline13131310mo ago
I'll try out those settings and do some test prints later today
skyline131313
skyline13131310mo ago
Infill overlap didn't do anything, no change from 23-15% down by 2% per cube
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skyline131313
skyline13131310mo ago
Lowered speed and top layer flow but not change really
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skyline131313
skyline13131310mo ago
Here's the overall flow when reduced it is a bit better but then the lines are underextruding
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Yathani
Yathani10mo ago
Yes, the underextruding lines should not be visible .. check this link it might help https://ellis3dp.com/Print-Tuning-Guide/articles/troubleshooting/small_infill_areas_overextruded.html
Ellis’ Print Tuning Guide
Small Infill Areas Look Overextruded
Ellis’ Print Tuning Guide
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