Nearly the smallest really loud whistle I have made

by M_D_K

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emergency whistle Loud safety whistle small whistle

Nearly the smallest really loud whistle I have made is a free 3D printable gadget by M_D_K, originally published on Thingiverse. This model is tagged: emergency whistle, Loud, safety whistle, small, whistle. Download the STL and print this Gadgets model at home.