Bottle Tornado / Whirlpool Coupler
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Fill one bottle with water and use the coupler to join them together! Make your own tornado / whirlpool in a bottle.
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Model information
- Source
- Printables
- Category
- Other Toys & Games
- License
- Creative Commons — Attribution — Noncommercial
This adapter is used to join two PET bottles together to form a water tornado. Fill one bottle with water and then use the adapter to join the bottles. Flip the bottles over like an hourglass and give the top bottle a bit of a shake in a circular motion, the tornado/whirlpool effect should start.
I've included two versions of the coupler, one with a larger opening and one with a smaller opening to slow down the flow. Using the smaller opening version will produce a longer-lasting tornado effect.
I'd recommend a 0.4mm nozzle for the print. No supports are necessary. Depending on your setup, you may need a skirt though. Use a small layer height (<0.12 mm) to get nice details on the threads. Enjoy!