Mason Jar Funnel for 3D-Printed Kitchen Accessories

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

The maker says it fits: Bernardin mason jar (or similar standard mason jars). See the proof

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What it does

Wide 4.4-inch opening lets you pour dry goods into jars without spilling, so cleanup takes seconds instead of minutes.
Tapered design fits standard mason jars snugly, so your funnel stays put while you load flour, sugar, or spices.
Thin walls keep the funnel lightweight and easy to store in any kitchen drawer.
Small 2.3-inch narrow end directs everything straight into your jar, so nothing misses the opening.

Loading your mason jars gets messy fast. This funnel solves that problem by guiding every pour right where it needs to go. You get a clean transfer every time, so your pantry stays tidy and your jars fill up quickly.

The funnel measures 2.5 inches tall with a wide 4.4-inch opening at the top and a narrow 2.3-inch opening that fits mason jars and similar containers. Thin walls keep it simple to print and easy to grip. Just set it in your jar and pour.

Made in the USA through on-demand 3D printing, so you get a fresh funnel printed just for you.

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: Bernardin mason jar (or similar standard mason jars)

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

Bernardin mason jar (or similar standard mason jars)From the maker's own listing notes, 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 We have not load tested this design, so we do not publish a weight rating.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.