Riv-Nut (Rivet-Nut) off label knob use
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Preliminary estimate for PETG
€0.61 – €0.75 net (excluding VAT)
For file: 6mm_RIV-NUT_KNOB_sliced_0.4n_0.2mm_PCTG_MK4IS_52m.bgcode
This is an estimate for one file. You’ll confirm the exact price before ordering.
File and estimate settings
File used for this estimate
Average indicative estimate: €0.68 excluding VAT (range midpoint).
- Weight reported by the author
- 5 g
- Print time reported by the author
- 51.6 min
- Source material
- PET
- Estimate material
- PETG
- 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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Riv-Nut (Rivet-Nut) off label knob use Used as a melt-in insert.
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Updated at source:
Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution
Riv-Nut (Rivet-Nut) off label knob use.
Problem - I needed a knob with melt-in insert that was heavy duty and will not come out or twist in its socket.

Answer - Digging thru my random 6mm nuts, I found this Riv-Nut.

I designed a knob around it, that is tighter than press fit, and used my soldering iron at 330 deg C to melt it in place. I placed the knob in a close to size socket to support it while melting it in. I did not compress the Riv-Nut. I used it as is.



https://www.mcmaster.com/95105A183/

Material used was 3D Fuel PRO-PCTG. (I used the recycled version called ReFuel).
https://www.3dfuel.com/products/refuel-recycled-pro-pctg-1-75mm?variant=50374402998588
Slicer setup.
6 vertical wall layers
6 bottom layers
6 tops layers
25% Gyroid infill.
Part is almost complete solid. Little voids in the knob wings.
Part melted in at 330deg C with my soldering iron. Almost like butter.
Nozzle temp was 260 deg C
Beg temp was 90 deg C
Print speed was at 50% of what my uploaded G-code print file. Slow and smooth.