Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

Funky 3 Tone Whistle

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Published on April 11, 2012
This thing was Featured on April 13, 2012

Description

My 8 yr old wanted to make a weird whistle that had multiple tones... After lots of trial and error, this is what we came up with. Very different and odd, but it works well!

Instructions

Print it.
Be sure to have ear plugs handy if you have kids.
Blow!
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What settings did you use to print this? I printed one and like others mine makes no sound, though it seems reasonably airtight. It certainly doesn't leak enough to prevent the whistle from functioning...

Print with 3 solid surface layers, 2 extra shells on alternatingsurface layers, and be sure your flow rate and line spacing is set properly. I use 1.5 for line spacing (infill width over thickness) If there is even the tiniest of gaps between the lines on the solid surface layers, it won't work. Also I use a .3 for infill perimeter overlap.

You may simply try increasing your flow rate a tad as it sounds like maybe you are slightly usingg too little plastic.

The easiest thing to do is drop some acetone (finger nail polish remover) onto the solid surfaces. It will melt the plastic and make the surfaces air tight.

I just love the way that children 'want to make' something. I have a 7 and a 9 year old, and they want to make heaps of stuff... which translates to "they want dad to design and make heaps of stuff". :-D

Probably true for most people, but I've been 3D modeling since I was 10 or 11. I'm 14 now, and I'm pretty good at it.

yes i'll try printing again after a few calibration tests... i had some stringing inside the whistle ..not sure if it might have contributed to it making no sound..

Here you can see the whistle printed and blown http://www.youtube.com/watch?v... :) It works great!

Thanks for that!

Printed just fine.. but no sound..

Was this a belated April's fool? It printed perfectly, but no sound?

I assure you the whistle works just fine. However, if you don't have your fill set right and there are small spaces between your layers of plastic, air will leak through the sides and the whistle won't work. I suggest placing a few drops of acetone on the outer surfaces to seal them up or change your fill settings so there is an air tight surface.

Looks spiffing. I shall toddle off and print one me thinks!

I printed the whistle and it turned out great :) I was a little worried about the bridging that would be done to seal up each hollow space, but It worked out great.

I loved the green color you used, so I followed up with Faberdashery village green. I had 10 meters of the stuff from a rainbow pack I bought. The stuff is expensive, but I will admit, it really seemed to help the quality of the print.

I am starting to run out a filament... Now I need to decide
if I should buy a heaping ton of cheap filament from China, or a handful of high quality filament from Faberdashery...

I would love to see a derivative of this picture where each consecutive smaller chamber is visible from the outside of the print. It would look like stair-steps in the whistle ;) I think it would save filament too :)

Dang! Third to last layer and it came off the building platform.. :'(

You using abp or hbp?

I love the name of the stl file ;)

Honestly didn't think anyone would even notice that :-D

Awesome!

This is great... I'm still waiting for someone to upload some DTMF whistles, so we can have Bluebox Panpipes. :)

not sure what dtmf are, but someone did a pipe organ styled whistle a while back.

It looks very interesting, with a complicated internal geometry.

What software did you use to design it?

How about posting the design file.

I use NX7. I will post .prt and iges when I get the chance.