Threaded cover for kombucha brewing
You can keep a cloth or a paper towel with a rubber band. But if you have a 3D printer you can print yourself a cover.
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updated January 24, 2023
Description
PDFOnly suitable if you have the same 1 gallon (3.8 liters) jar as I do. It will keep a paper towel tightly fixed to the top of the jar so air can pass but flies cannot. It won't work if you use cloth (unless you cut just a disk).
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Model origin
The author marked this model as their own original creation.
