Thermacell Refill Adapter – Customizable
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A redesigned customizable refill nozzle that actually works.
- Rating
- 4.5 / 5
- Likes
- 12
- Downloads
- 308
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- 3
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- 957
- Reviews
- 4
Updated at source:
Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Another take on the Thermacell Refill Adapter
✅ Includes FreeCAD and STEP files
✅ Fits standard store-bought butane cans
✅ Seals tightly against original Thermacell gasket
✅ Minimal leakage during refill
I designed yet another version of the Thermacell refill nozzle.
Why? Because none of the previous models I tried actually worked — they either leaked or just didn’t function properly straight with commonly available butane cans. Also, no one seems to have shared any editable files for customization.
This time, I’m including both FreeCAD and STEP files.
This adapter is designed to fit directly onto the most commonly available refill cans found in stores. It also seals tightly around the original rubber gasket inside the Thermacell cartridge — so the connection is snug and secure.
🧪 Leak test? Minimal during refilling.
🖨 Print Settings
- Vertical orientation only — horizontal printing ruins the seal
- 0.15mm layer height for precision
- Use 0.2 - 0.4 nozzle
- 0.6mm nozzle works, but set extrusion multiplier to 0.9
- 100% infill for strength
- For best layer sealing, enable “Brick Layers” in your slicer (if available)
- Or use the script: Bricklayers GitHub
⚠ Safety First
- Flammable gas under pressure — handle with care
- Refill outdoors, away from heat or sparks
- Not for OEM Thermacell cartridges — they require unsafe mods
- Personal/experimental use only — you assume all risk