Air lock for home brew
thingiverse
it's a two piece airlock, i drilled 10 mm hole in the cork of the bottle, then i sealed the gap between the main cylinder and the hole with hot glue. i am going to try it with a small batch to see if it works properly.
Download Model from thingiverse
With this file you will be able to print Air lock for home brew with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Air lock for home brew.