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Tornado Tube updated for shorter bottle threads — image 1

Tornado Tube updated for shorter bottle threads

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Newer PET bottles with the attached lids to not screw into older tornado tubes correctly. This model solves that

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Updated at source:

Model information

License
Creative Commons — Attribution — Noncommercial

This model uses updated threads for the PET bottles where the lids are attached for recycling. They have shorter threads than older bottlers so commercial tornado tubes to not screw in tightly enough. This model fixes that problem.

 

Print settings
Seems to work fine in PLA for now,

 3 Walls and 0.28mm layer height worked fine for me. I did use supports only touching the build plate for the underside of the centre separator. 

 

The picture shows v1 which is only a 30mm outer diameter. The model is 45mm gives a slightly stronger part. 

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