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Messy edges on my prints (lemmy.ca)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

18 comments fedilink hide all child comments

I'm trying to diagnose what tuning I need to get a smooth top layer on a solid print.

The picture you see is a 50mmx50mmx1mm square (cube([50,50,1]); in openscad) printed with a .4 nozzle. (5 layers)

For tuning on the problem, I have looked into:

z_offset -- tried all kinds of values and if I reduce it anymore, it doesn't squish into the bed and the center part is exactly 1mm -- so unlikely to be that.
bed level -- bltouch is working well
extrusion (esteps or rotational_distance) - played with this a great deal and any less and i start to have under-extrusion in the center area.
different filament -- same with PLA, PETG and ABS
Different slicer -- same with PrusaSlicer or Cura
Different speeds -- one on the left was printed at 20mm/s -- the right was printed at 150mm/s

I also cant find any guides out there that show this issue. Anybody with some suggestions or threads I can pull?

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[–] [email protected] 2 points 1 year ago

So... I still have some tuning.

I learned that you need to adjust retraction and z offset again after implementing pressure advance.... But I'm close now.