First try with TPU. Looks like it's absorbed moisture. Can someone confirm that these are symptoms of moist filament? : r/3Dprinting

How moist filaments will screw up your 3D-printing

Advanced Guide to printing ABS Filament

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When 3D printing PLA, the first layer has spots where the filament

Coatings, Free Full-Text

Beat Moisture Before It Kills Your 3D Printing Filament

How moist filaments will screw up your 3D-printing

How to Succeed when 3D Printing with PETG Filament

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Printing issues related to filament affected by humidity

Humidity: The great enemy of the filaments for 3D printing

How to Tell if Filament is Wet - Ankermake US

✅ 【Adored Chameleon Filament Series】 - A color-changing material responsive to different light and angles. This filament is composed of special

FLASHFORGE PLA Filament 1.75mm +/- 0.02mm Skydiver Blue, Color Changeable 3D Printer Filament 1kg (2.2lbs), Chameleon 3D Printing Filament Changing