Clip-on Keychain Whistle

Description

This novel emergency whistle is integrated with a clip. It easily clips on & off your keychain, without fiddling with the key ring or a separate clip.

There is a small (0.2 mm) gap in between the two sides that allow the clip whistle to slightly open for the clip action; the small gap doesn't affect the whistle sound or loudness.

Details

• It is loud, with two tones around 2.6 kHz for optimal range

• With a rounded, comfortable mouthpiece

• Optimized to minimize long bridging

• 1.5 gram / 0.06 ounce

Printing instructions

• Specifically designed for 0.4 mm nozzle

• Recommended 0.2 mm layer height

• No supports required

• PLA works great, many materials should work

• About 6 minutes print time

• It might require a light twist or the edge of a bed scraper to break the sides apart.

Alternate

For a clip whistle in a straight shape see: