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Jar Lantern with Spiral Filament
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Battery powered lantern that fits any regular mouth mason / canning jar.
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This is a battery-powered lantern featuring a spiral “Edison bulb” filament. It will fit any “regular mouth” canning jar. It is powered by two AAA batteries. Testing with my multimeter shows these lights draw about 115 mA, so I expect around 8 hours of runtime, depending on the batteries.
No supports are required, at least on my Ender 5. I printed at 0.2mm layer height and everything fit great.
I hope someone tries this with a glow in the dark filament!
Instructions
- Connect wires to the end of the LED filament, paying attention to polarity (the + side has a little hole).
- Feed one end of the wire through the top hole, it will follow a path down and out the back. Pull the wire through until the end of the light is in the hole.
- Wrap the filament around the guided path and at the bottom hole feed the other wire through.
- The filament should fit well and hold itself in place, but I added a couple drops of runny super glue to make sure the filament doesn't get worked lose (especially at the top).
- Wire up and solder the batteries in series, making sure to incorporate the switch.
Parts