Canning Jar Fermentation Lid

Design preview. Rendered from the file, not a photo.

The maker says it fits: Mason canning jars (regular and wide mouth). See the proof

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What it does

Form follows function, keeps counters clear of clutter
Low-fuss design, fits the gear in your drawer
Built for the long haul, lets you serve with less mess
Holds up to real use, day in and day out

A good kitchen tool cuts prep time and makes cooking feel light. You get a Canning Jar Fermentation Lid built for real, daily use.

Sized for everyday use. Smooth surfaces wipe clean and stack with your other gear. Every piece is a 3D print made on demand in the USA.

Place your order and we will print one just for you. Ready to use the day it arrives.

2.7k downloads in the maker community. That is interest in the design on the site it came from, not our sales.

What it fits

The maker says it fits: Mason canning jars (regular and wide mouth)

That is the maker's word, not a fit we measured. Check the size below against your own.

Mason canning jars (regular and wide mouth)From the maker's own listing title, checked 2026-08-13. See the original post

Brand names here only say what this part fits. We are not connected to those companies, and they did not make or check this part.

What you get

This design prints as one piece.
Nothing else to print or buy for this to work.

What it is made of

Designs like this print well in PLA. Compare the materials.

Printed plastic is strong for its size, but it is not metal. We have not load tested this design, so we do not publish a weight rating. Keep it out of a hot car and away from open flame.

Who made this design

Shared under GNU GPL. See the original design