3M WorkTunes On Off Volume Knob
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Estimated printing price per file
€0.15 – €0.18 net (excluding VAT)
For file: 3M_WorkTunes_Volume_On_Off_Knob_0.4n_0.2mm_PLA_MK4IS_13m.bgcode
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Average indicative estimate: €0.17 excluding VAT (range midpoint).
- Weight reported by the author
- 1 g
- Print time reported by the author
- 13.2 min
- Source material
- PLA
- Estimate material
- PLA
- Estimate printer
- Bambu Lab P1S - 0.4 nozzle
- Estimate process
- 0.20mm Standard
Indicative estimate for the selected file only, based on the author’s weight and print time. File variants are not added together. The final price is calculated after file analysis.
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This knob fits a 3M WorkTunes Hearing Protector / ear muffs; after printing, heat at 170*F/until soft, press onto shaft.
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Updated at source:
Model information
- Source
- Printables
- Category
- Tools
- License
- Creative Commons — Attribution — Noncommercial
To work with the 3M WorkTunes, I had to heat up the knob to 170*F, press it onto the shaft, and let cool. Heating the knob and allowing it to cool on the shaft is what makes the splines on the shaft bite into the plastic. I did not try to print it without undersize and not sure how that would work as there are no internal splines on the knob, only the external splines on the ear muffs.