Elegant Keychain Whistle
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Description
Please also check out my latest design, a Long Range Dog Whistle at 7,000 Hz. Please download here.  | I have also developed real Ultrasonic dog whistles at 20,000 Hz and above, which you can find here.  |
Description
I needed a load and compact whistle to fit my keychain and couldn't find any design which fits my requirements. What I found was either too bulky, too fragile, or too quiet.
So I made my own design, and this are the key advantages:
- extremely loud for it's size,
- very compact, only 5 mm thick, 14.3 mm wide and 48.9 mm long,
- double tone, sounds similar to a referee's whistle,
- easy to blow,
- sturdy and hard to destroy,
- lean design,
- easy to print,
- fast printing and little filament required (approx. 2.5 grams).
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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