Fruit Fly Trap Jar Lid for Mason Jars

The small part that fixes the whole thing.

16k downloads in the maker community

$23.48

Color: Gray

Printed in the USA when you order.

1.You order it
2.We print it fresh
3.It ships to you

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.