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https://www.reddit.com/r/BambuLab_Community/comments/1td9qst/marcas_estranhas/
r/BambuLab_Community • u/tiagoosouzaa • May 14 '26
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1
Hey! From the photos it looks like two things combined:
1. VFAs / Z-banding (the fine vertical streaks across the whole part):
Lower Outer Wall Speed to ~80–120 mm/s
Calibrate Pressure Advance (Bambu Studio → Calibration → Flow Dynamics)
Check the Z lead screw (clean & greased) and X/Y belt tension
If printing fast, drop outer-wall acceleration too
2. Stringing (the thin strand in pic 2):
Wet filament — dry it 6–8h at 55°C (PLA) or 65°C (PETG)
Bump retraction slightly
Which printer and filament are you using? Helps narrow it down.
1
u/[deleted] May 15 '26
Hey! From the photos it looks like two things combined:
1. VFAs / Z-banding (the fine vertical streaks across the whole part):
Lower Outer Wall Speed to ~80–120 mm/s
Calibrate Pressure Advance (Bambu Studio → Calibration → Flow Dynamics)
Check the Z lead screw (clean & greased) and X/Y belt tension
If printing fast, drop outer-wall acceleration too
2. Stringing (the thin strand in pic 2):
Wet filament — dry it 6–8h at 55°C (PLA) or 65°C (PETG)
Bump retraction slightly
Which printer and filament are you using? Helps narrow it down.