PETG finish changes mid print - Troubleshooting - Bambu Lab

What would cause this kind of finish change in the middle of a print?

Problems with supports on PETG - Troubleshooting - Bambu Lab Community Forum

First PETG print . Need to improve the surface finish : r/BambuLab

PETG finish changes mid print - Troubleshooting - Bambu Lab Community Forum

PETG Issues - Bambu Lab X1 Series - Bambu Lab Community Forum

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PETG 3D Printing: Everything You Need to Know About PETG Filament [2023]

I finally found my perfect petg support settings. : r/3Dprinting

PETG problems : r/BambuLab

GratKit PETG 3D Printer Filament 1KG, PETG Filament 1.75mm, 3D Printing Filament PETG Blue : : Industrial & Scientific

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Asking for help with PETG and Printer config - Troubleshooting - Bambu Lab Community Forum