This is 3DBenchy remixed as a fruit fly trap. It screws onto standard glass jars.
The lid is from my other design: https://www.printables.com/model/1097349-opera-fruit-fly-trap
It needs a 50 mm diameter glass jar, I used a small Dijon mustard jar. Add water, a spoon of natural vinegar, a spoon of sugar and a drop of dish soap to lure in and trap them.
I printed with a simple color change at 17.40 mm. Prusament PETG Ultramarine Blue and Mango Yellow.
The author remixed this model.
Combined these two models. Added holes through 3DBenchy for flies to get in through.