V30 whistle

This is not a toy, this is a very loud emergency whistle. It is about 118 dBA (tested) loud if printed properly.
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updated May 26, 2022

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Which version works best? (normal, slim, short slim)

Printed from PLA. It is really loud :-)

Dont know if i will keep it, its almost too loud :-(

Printed one each V29 and V30... It is louder.

Normal loud whistle, u have to blow a little bit more to start whistling, but good design.

The kids are having fun