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Sodastream Crystal adaptor regular PET bottle 0.5l 23cm height — image 1
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Sodastream Crystal adaptor regular PET bottle 0.5l 23cm height

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SodaStream Crystal with regular 0.5l PET bottles

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Category
Kitchen
License
Creative Commons — Attribution — Noncommercial — Share Alike

Hi.

I got rid of glass-bottles with broken threads.  

This is my very first DIY project. I couldn't find a pre-designed adapter for the old SodaStream Crystal that would work with regular 0.5L PET bottles (e.g., the German PET bottles from PepsiCo with a 23 cm height). So I ended up making one of my own. The inner thread of my adapter uses the PCO1881 standard for newer bottles.

I used PETG with 30% infill and 4 wall lines.

A step that might be necessary before using the adapter: 

Gently heat up/soften the lower inner corner near the thread. Immediately screw the adapter close to the bottle neck to ensure a good seal.. Once cooled, blow into the adapter to check for any leaks/blow-by.

Please feel free to suggest changes or help me improve the design!

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