Thin Profile Whistle Blank

by TeamTeamUSA, published

Thin Profile Whistle Blank by TeamTeamUSA Jan 3, 2011

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Created using OpenSCAD, this derivative removes all lettering and adds an integral lanyard hole. Thanks Madox!

I printed three sizes to hear how they would sound. I resized the files in the printer software so STLs for two sizes are unavailable. Attached are MP3 files of each whistle's note.

The L whistle with the lanyard is ~240% larger than Madox's original and requires these files:

Mad props to Catarina Mota for her sweet shapes.scad!

See the whistle.scad file for more info.


To minimize - and possibly eliminate - the need for support structures, print the model on the long thin side.

  • UP!: Set support options to '< 40 deg' and '< 10mm'
  • MakerBot: ??? (if someone prints it please post your skeinforge settings)

Insert lanyard material - I used 19" 2mm silk cord - into hole and loop around whistle to secure it in a larks head knot.

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the SCAD file didn't compile for 2 reasons:
line 30: </Users/mileslightwood/Documents/MakerBot/Models/lib/shapes.scad>
line 43: import_stl("~/Documents/MakerBot/Models/WTF Whistle/Whistle_OnePiece.stl", convexity = 5);

Printed on a Replicator as is using pretty much the default settings. Thought I could use it as an emergency whistle but the sound from it is so weak. In fact if you blow hard it stops entirely. Kinda disapointing. /thing:9206 is much better, but not as thin.

Whistle Redesign
by madkite

I printed two of these, one on it's side and the other standing up (as it is in the STL file).

The one on it's side is almost silent, usually just a hissing sound sometimes a faint whistle. The standing up one is quite loud and looks nowhere near as good as the other (maybe if I printed two at once it would be prettier, the layers were completed much too quickly and smooshed a little).

Loaded the STL into the UP-Software, and printed it (standing on the mouth piece).

Again, the base-support was not easy to remove.

And it does not whistle! :-( Well... Just a verrrry silent whistle no matter how hard I blow. About the same when blowing on a straw.

Settings on Up plus, Software 1.09, green Paint on baseplate:
0.2mm, Loose,
3 Surface-layers, Part-Angle

Support Dense 3 Layers, Space 8 Lines, Angle
lt;40, Area

Normal Speed. ~30 mins if I remember correctly.

I know printing Support Dense with more layers should help removing it, but it's not really a problem of getting a hold of it, as that the raft is so hard attached that it needs to be cut off.
Also I got a small burned spot a bit over the mouthpiece... I really wonder what I am doing wrong.

This (and probably the original) builds slightly better flipped, with the mouth hole up.

Why? How? (Which Printer?)

I deliberately did the model for it to be printed on its side. An earlier incarnation was intended to be mouth side up but on the Up! it had supports...and modifying it to print without supports made it less loud...

On a... UP!? Cupcake? ToM? Other?

They look huge :)

Yeah, that's what 0.1" perfboard and a wide-angle lens will do. ;)

Whistle lengths:

  • S: 37mm

  • M: 46mm

  • L: 55mm