MUDRUN.CZ EMERGENCY WHISTLE
thingiverse
January 2015 the first ever winter Spartan race is taking place in Slovakia. There is a mandatory equipment rule - carry an emergency whistle. As a promotional material for mudrun.cz (OCR magazine) these whistles tied to 550 paracord will be given away as a promotional item or for those who forgot their whistle at home. Sorry if it's not working for you, but YOU MUST BE DOING SOMETHING WRONG, it's not the whistle that's broken. I printed plenty and all are working. Instructions It's pretty straight forward print since I am noob myself. Print in hi-vis filament, attach a paracord or keyring. Whistle.
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