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Cake day: August 11th, 2023

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  • The original story was similar: PLA is made from corn, and is completely biodegradable.

    Interested people took various parts made from PLA and put them outside for a while. Some people buried them. Some people put them in their compost pile or canisters. I think the only result was some discoloration and possibly some reduced strength.

    So now it seems PLA only biodegrades under industrial conditions, requiring elevated temperatures.