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Website: Printables
Tags:
whistle, tiny, small, easytoprint, easy,
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Website: makerworld
Tags:
whistle, whistles, small, compact, flat, emergencywhistle,
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Website: Thingiverse
Tags:
alpine, alpinedistresssignal, alpines, compact, emergency, key,
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Website: makerworld
Tags:
keychain whistle, whistle, minimalist, lightweight, custom, small, key,
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Website: makerworld
Tags:
extremely loud, emergency whistle,
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Website: Thingiverse
Tags:
compact, emergency, emergencywhistle, keychain, keychainwhistle, loud,
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Website: Thingiverse
Download: free
Website: Printables
Tags:
earthquake, emergency, safetywhistle, signal, sound,