Fruit Fly Trap Jar Lid for Mason Jars
Design preview. Rendered from the file, not a photo.
The maker says it fits: Standard mason jar. See the proof
This model is not currently offered as a verified ready to buy print.
What it does
- Screws onto standard canning and mason jars for instant fly trapping
- Effective household solution to catch and contain fruit flies naturally
- Compatible with common jar sizes; design based on proven canning lid geometry
- 3D-printed on demand for your custom setup
Transform any mason jar into an effective fruit fly trap with this threaded lid. Designed to screw onto standard canning jars, it creates a simple yet functional barrier that lures and traps fruit flies without chemicals or mess.
This jar lid is ideal for kitchens, pantries, or anywhere fruit flies congregate. Rather than relying on commercial traps, use what you already have, a mason jar from your cupboard, paired with this custom-printed lid to create an affordable, reusable solution.
Engineered from the ground up for reliable performance, the design has been optimized for 3D printing and tested across multiple printer types and materials. Print it in your preferred color and material to match your home aesthetic.
16k 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: Standard mason jar
That is the maker's word, not a fit we measured. Check the size below against your own.
- Standard mason jarFrom 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 We have not load tested this design, so we do not publish a weight rating.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.
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Who made this design
Designed by LexEnglish. We did not draw it.
Shared under GNU GPL. See the original design