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38mm thread adapter for PET bottles
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2-start to 3-start PET bottle thread adapter, designed for birdfeeder
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution
This adapter adapts a 38mm 2-start PET bottle thread to a 38mm 3-start thread.
This is often necessary because there are PET bottles with different threads and most models are designed for 38mm PET bottles with a 3-start thread.
The model was specifically designed to mount existing bottles to a birdfeeder.
The 3D model can be printed without supports if the external thread points towards the printing plate.