June 2, 2023
Description
How well this works is going to be largely dependent upon what you use for bait.
According to @Eric_246729 , using "honey and water or sometimes a little piece of banana and that seems to get them in!"
This is based upon my other model, but since it uses the screw ring it requires less filament.
https://www.printables.com/model/317462-mason-jar-gnat-or-fruit-fly-trap
License:
Creative Commons — Attribution — Noncommercial — NoDerivatives