• solrize@lemmy.ml
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    11 days ago

    Article isn’t paywalled for me. Headline is ok. 3d printing a whistle supposedly costs under 5 cents. OTOH, that type of plastic might be less safe to put in your mouth.

    • sepi@piefed.social
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      11 days ago

      Polylactic Acid (aka PLA) is a protein found in milk and corn. PLA filament is made from fermented corn starch.

    • Mouselemming@sh.itjust.works
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      11 days ago

      If you would rather invest in a quality whistle for the one that goes in your own mouth, I recommend an ACME Thunderer.

      As used by gym teachers and drum majors, (not Wile E. Coyote) they have a satisfying roll of authority.