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

3D Printing With TPU Dry Vs. Wet Filament

Moisture in new printer filament - Thrinter

Printing issues related to filament affected by humidity

Moisture vs. flexible filaments - Recreus

How moist filaments will screw up your 3D-printing

Moisture-induced changes in the mechanical behavior of 3D printed

Coatings, Free Full-Text

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

Moisture in Filaments? - Recreus