If you are in the USA, you know what to do with this.
"The design is meant to look as clean and simple as possible while still looking like a whistle. It was also designed to be easily gripped with thick gloves or cold hands. It has a raised lip on the bottom and grips on the top to allow you to hold it securely in your mouth even if you are blowing as hard as you can. There is a hole in the back for a key ring or lanyard so you can wear it around your neck or attach it to your zipper or keychain.
Another huge focus in designing this was to make it printable in one piece with no supports or rafting. I wanted someone to be able to print this before going for a hike or something with no assembly, cleanup, or fuss of any kind to get it ready. Just print and go"
V29 by jzisa
UpdateBy popular demand I have added a de-badged version of the V29. It is labeled V29D in the thing files section. I originally put the version number on the whistle to tell them all apart as I was developing them.Thingiverse
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