Blow off tube to mason jar 3D printable model by narddawg314

Blow off tube to mason jar

Source: Thingiverse by narddawg314

The Blow off tube to mason jar is a free printable 3D model from Thingiverse by narddawg314. Two lids are in this project, and the barbs are the HoseBarb_1010.stl file from the hose barb source. You can download the STL file from the original listing below and print it at home.

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157 saves Source: Thingiverse Updated 2026-04-16

Tags: Blow, off, tube, to, mason, jar

About this model

Two lids are in this project, and the barbs are the HoseBarb_1010.stl file from the hose barb source. I use 3/8" ID silicon tubing and once I print this, I will confirm it was the right size. First lid has two hose barbs on one side...one barb is connected to the blowoff tube fed from your fermenter, and the second barb on this lid is connected to the second lid that has one barb on each side. The second lid goes on the mason jar that has sanitized liquid in it, and will have a short piece of tubing that connects to the inner barb trimmed so that it nearly reaches the bottom of the mason jar. The idea here is that during fermentation the first jar will fill with CO2 and then flow into the second jar where the sanitized liquid is. When fermentation is complete you typically will "cold crash…

Frequently asked questions

Is this 3D model free to download?
Yes. Blow off tube to mason jar is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by narddawg314.
Who made this model?
Designed by narddawg314, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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