Multi-tone Whistle

by conanh, published

Multi-tone Whistle by conanh Jan 20, 2012

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A while back, a friend of mine asked if I could make her a version of a Fox 40 whistle.

Originally, I tried to make one in Google Sketchup but the result was unprintable. Then I made a close replica in OpenSCAD, but that didn't print well and didn't make any sounds.

So, I decided to go after a design that accomplished the same thing (2-tones & pealess) but had a more printable form. It took me 8 iterations, but I finally got it :)


Print. Attach string or lanyard. Blow (outside).

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Mine looks good, and is airtight, but doesn't make a tone. Printed at .2layer and 15 % fill

Sounds Great right off the hot plate!

I get the same pitch on both sides too. Looks good in two tones anyway--I printed in red and natural PLA. Maybe it sounds different in ABS?

Great geometric looking design, works great and sounds pretty darn loud. The only problem is both chambers produce pretty much same pitch. Is it only happening on mine?

First whistle I printed that actually works!!

I've printed a couple of these but haven't got a working one yet. Last time I printed with 100% infill and can get a faint whistle sound (among lots of "air" sound) when blowing really hard. Suggestions?

Hmmm... Have you successfully printed any of the "classic" whistles (e.g. http://www.thingiverse.com/thing:1046http://www.thingiverse.com/thi... is my fav) on Thingiverse and gotten them to work?

When I was working through the iterations, the length and angle of the little tabs at the back of the vent holes that slant down (http://www.screencast.com/t/77dzJGx7q)http://www.screencast.com/t/77... proved to be rather important to getting sound. So, I wonder if something is up with how those are being printed.

Can you post
a picture, perhaps several from different angles?

by Zaggo

Thanks, I'll take a closer look and post pictures as needed once I'm back home next week.

Add a loop to the scad file and you'll have a kind of harmonica. :)

Couldn't resist making a two color two tone whistle. Jettys new firmware, thing 15380 makes multicolor printing by layer easy!

Ah! I love it!

Works flawlessly, excellent work. So very very loud too :P

Thanks! I used it when coaching my son's soccer team. It takes a lot to get the attention of a group of 6-year-olds :)