Does 3D Printing Filament EXPIRE? Cheap Food Dehydrator Tested

I have been skeptical about filament drying for some time, so I decided to test several old spools to see if they 3D Print after years of neglect... and if they can be revived with a cheap food dehydrator!

Models used:

Gayer-Anderson Cat - https://www.myminifactory.com/object/3d-print-gayer-anderson-cat-at-the-british-museum-london-4010

Bucket O' Octopodes (thicker legs) - https://www.thingiverse.com/thing:8896

Food Dehydrator (amazon affiliate) - https://amzn.to/2Z0FIsI

Food Dehydrator I used (Aus only no affiliate) - https://www.catch.com.au/product/healthy-choice-food-dehydrator-438890/

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50 3D Printing Tips and Tricks - https://gumroad.com/l/QWAh

3D Printing Essentials - https://www.amazon.com/shop/makersmuse