Tiny Emergency Whistle - extremely loud

Description

**WARNING:** This is an emergency whistle and not a toy! It's extremely loud which can harm the ears, so please protect your ears and don't use it near other people or animals! **Update 2023-03-24:** I've designed an even louder, lower-pitched variant of this whistle that you can download **[here](https://www.printables.com/model/430499-tiny-emergency-whistle-incredibly-loud)**. **Summary** This keychain compatible emergency whistle is a variant of my big **[Emergency Whistle](https://www.thingiverse.com/thing:5897001)** - much smaller, but almost as loud as it's big brother. **How to print:** **All Slicers:** Use a line width of 0.4 mm and a layer height of 0.2 mm, 5 top layers and 5 bottom layers. Don't use support and don't change the given orientation of the object! The whistle requires correct positioning of the Z-seam - it shouldn't be placed in the narrow air passages inside the whistle. The Z-seam should be positioned as shown in the images above (the white dots represent the Z-seam). Use the “Z Seam Alignment: User specified” option in Cura or the "Seam Painting" option in PrusaSlicer to achieve this. Print slowly to achieve sharp edges (max. 30 mm/s for walls). **PrusaSlicer:** Use default settings and manually paint the z-seam as in the pictures above. **Cura Slicer:** - Wall Line Count: 2 - Extra Infill Wall Count: 1 - Z-Seam Relative: ON - Z-Seam X: 0 - Z-Seam Y: -50 - Enable Bridge Settings: ON - Bridge Wall Coasting: 0% - Bridge Wall Flow: 100% - Bridge Skin Flow: 70% - Bridge Has Multiple Layers: OFF **Do you like it?** If you have printed this design and you like it, I would be happy if your make is uploaded.

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