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Here’s a great whistle 3D print file. I can confirm it’s loud as hell, and very easy and cheap to print in bulk. www.thingiverse.com/thing:2933021
thingiverse.comExtremely loud and compact emergency whistle by whistleblowerRock-Solid and lightweight emergency whistle. Two chamber design. Painful loud, louder than the v29 and twice as loud as the "wannabe 129db" whistle.If you have stringing problems, this whistle will n...
Yes, you can print Aztec Death Whistles, and it rules makerworld.com/en/models/91...
makerworld.comAztec death whistle - Free 3D Print Model - MakerWorldDownload this free 3D print file designed by CebulaTech. IMPORTANT: After printing and cleaning off the supports, it’s worth checking the mouthpiece. There might be leftover elements/threads that need...
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3D printers can churn out an amazingly large number of whistles for very little money. bsky.app/profile/scoi...
They're roughly between 4-5 grams each, so to be conservative assume 200 per 1 kg roll if you're not switching colors. You can get cheap PLA for 11-13 bucks, so we're looking at 800-1000 whistles for $50
The Celtic Carnyx is also very metal and incredibly scary. youtu.be/jRIQp4qZrrE?...