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3D Printed Fly Trap for Jam Jars

3D Printed Fly Trap for Jam Jars, design preview, hero tilt

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

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What it does

  • Screws onto standard glass jars so flies and wasps get trapped inside, not back out
  • Cone shape stops insects from escaping, so your outdoor food stays clean
  • Rain cap with water lip keeps moisture out, so your trap works all season long
  • Easy to hang with rope through large holes, so you can place it anywhere you need
  • Prints light and strong with minimal material, so less waste per trap

Stop flies and wasps from ruining your outdoor meals. This trap screws onto any standard jam jar and turns it into an unstoppable insect catcher. The cone shape funnels bugs in but keeps them from flying back out.

The design fits jars with an 81mm opening, so it works with the glass containers you already have at home. The cone entry hole comes in different sizes to catch different bugs. Thick walls and reinforcing ribs keep it strong while staying lightweight. A rain cap with a water lip sits on top, so rain never floods your trap.

Your trap is easy to hang. Just tie a rope through the large side holes and hang it near your patio, garden, or wherever flies bother you most. It catches flies and wasps without any chemicals or messy cleanup.

2.2k downloads in the maker community. That is interest in the design on the site it came from, not our sales.

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 We have not load tested this design, so we do not publish a weight rating.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 Oregos. We did not draw it.

Shared under GNU LGPL. See the original design