Overlapping Shell Lines....baffled  

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oleg.t2
(@oleg-t2)
New Member

Hi All,

 

Assembled my MK3S and was printing without problems and excellent quality. However after having to rebuild the hotend due to a mishap, I have a problem I can't seem to troubleshoot. All of the horizontal shells in my prints, like the top surface, have what look like overlapping lines in them. They're perfectly straight in all directions. I was thinking over-extrusion causing the seams, but reducing the multiplier has done nothing...Tried slowing down the print thinking the printer was slightly over-shooting the start of the line, but that doesn't work either.

 

 

Any other ideas? Not sure what else to try. Thank you!

Best Answer by Tim:

It's a known issue in Prusa Slicer.  Any parts with holes in it will exhibit the problem.  Carefully calibrating the extrusion multiplier and filament diameter can help.

https://github.com/prusa3d/PrusaSlicer/issues/2556

Posted : 01/12/2019 6:55 pm
Tim
(@tim-m30)
Illustrious Member

It's a known issue in Prusa Slicer.  Any parts with holes in it will exhibit the problem.  Carefully calibrating the extrusion multiplier and filament diameter can help.

https://github.com/prusa3d/PrusaSlicer/issues/2556

It is always wise to get more than one opinion......
Posted : 02/12/2019 1:49 am
oleg.t2 liked
steven.p8
(@steven-p8)
Estimable Member

Lines like those will be present on a shape with holes and a rectilinear top layer.  Cura has an option called ironing that helps to hide the lines.  PrusaSlicer has an option under Print_Settings->Infill->Top_fill_pattern that can be changed from Rectilinear to Hilbert_Curve.  

Steve

Posted : 02/12/2019 3:17 am
oleg.t2 liked
oleg.t2
(@oleg-t2)
New Member

Thanks guys! Huge help.

Posted : 03/12/2019 12:38 am
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