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Print-in-Place Siren Whistle
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Just to see if it could be done - it can. Maybe not the best sound but an interesting design and print challenge.
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Updated at source:
Model information
- Source
- Printables
- Category
- Other Toys & Games
- License
- Creative Commons — Attribution — Noncommercial
Layer height form 0.1-0.2mm work fine. Do not add support. There are two small supports already there under the double-conical rotor for support as it's printing, just remove those after.
After printing gently-ish work the rotor around, back and forth until it spins from blowing through. I used a small screwdriver from underneath to add a bit of pressure to work the parts in a bit. After it spins by blowing through, a small dot of oil added to the shaft area from the bottom will help it spin well.