Mason Jar Fly Trap Lid
Created yesterday
Description
Leaving a bowl of vinegar on the counter just means you eventually knock over a bowl of vinegar. This insert replaces the flat lid in a canning ring to turn any jar into a one-way trap
- Diameter: 84 mm (fits the ring).
- Depth: 35 mm funnel projection into the jar.
- Exit Aperture: 4 mm (wide enough to enter, too narrow to navigate back).
- Printability: The flat face sits on the bed. The funnel tapers upward. Zero supports needed.
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