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

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[Performance]-Flashforge PLA 1.75 mm filament is a high-performance PLA material with much great strength and toughness, and its environmental

FLASHFORGE PLA Filament 1.75mm, 3D Printer Filament 1kg (2.2lbs) Spool, Dimensional Accuracy +/- 0.02mm, 3D Printing Filament Easy to Use and Fits for

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Moisture in Filaments? - Recreus

How to Revert 3D Printing Filament Moisture Absorption

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How moist filaments will screw up your 3D-printing

Is my tpu under extruding? Or is there too much moisture in it

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How to Succeed when 3D Printing with TPU and Flexible Filament