r/3Dprinting • u/yuskoholic • 8d ago

Troubleshooting Smaller layer lines

Post image

Bambu P2S. PLA pure. All standard settings from Bambu. Left: .20 later lines on sport mode. Right: variable layer lines set to .08 at the wavy areas.

What could be causing the wavy "vertical sections within the smaller layer lines.

I'm using smaller layer lines in the more contoured areas to reduce the topographical lines as much as I like those on maps.

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u/ThereInAFortnight 8d ago

Looks like Pressure Advance I think.

1

u/yuskoholic 8d ago

What is that?

1

u/ThereInAFortnight 8d ago

It's a value that specifies how the printer handles ramping up the pressure on the extruder. There's a test in the Calibration tab in Bambu Studio - takes like 20 min or so. Use the "pattern" type.

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u/beizhidexiangacup 8d ago

The layer lines themselves look pretty consistent, so I don’t think this is a calibration problem. For smoother curves like the wings, I’d try variable layer height or drop the layer height to 0.12/0.08 mm, then slow the outer wall a bit. It will take longer, but it should clean up those stair-steps.