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Two liter bottle cap for brewing airlock

Two liter bottle cap for brewing airlock

thingiverse

Final edit 2022-05-11 Cap for 2 liter bottle, allowing airlock installation for micro-batches of beer etc. PRINT IN TPU at 100% infill, no supports. Print with concentric wall and top/bottom layers. Note: As shown in the model screenshot, it uses a tapered internal seal to contact the bottle, so just snug tightness will seal it up. If you tighten too much, it will be difficult to remove after your sanitizer dries out.

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