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3M Worktunes Hearing Protector Headband Strap
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Replacement headband strap for 3M Worktunes hearing protector, may work on other models.
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Updated at source:
Model information
- Source
- Printables
- Category
- Audio
- License
- Creative Commons — Attribution — Share Alike
If you have a 3M Worktunes that uses a two piece headband that looks broken like this:

I made a one-piece FLEX design. Print with TPU. Printed 0.2mm STRUCTURAL, 2 perimeters, 10% infill, no supports. The slots have an overhang which retains the wires. The slots may need to be opened with a razor.
I think the next iteration may have deeper slots but this works well enough.
