Embedded 1/4-20 Knurled Nut Knob (Parametric .f3d)
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Nuts... Pause print and insert the hex nut. Use the .f3d file to change model parameters for any nut size.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Mechanical Parts
- Licencja
- Creative Commons — Public Domain
This is a parametric knurled knob designed to embed a 1/4-20 hex nut mid-print for tool-less tightening. The inner cavity is modeled for a snug 0.2mm fit tolerance, and the outer knurling provides excellent grip. The included .f3d file is reasonably parametric—adjust nut dimensions, tolerance, knob diameter, and wall thickness to suit your needs.
I printed in TPU 95A because it was all I had left, and it's actually pretty nice for this application.
Important: This model is only suitable for embedding the nut mid-print by pausing the printer. The cavity is enclosed and not accessible post-print.
Build Instructions:
Use your slicer’s “pause at layer” feature (e.g. Cura Post Processing > Layer 27).
Print flat side down.
Pause at the correct layer, insert nut carefully, then resume.
Be careful to note whether your slicer is inserting the pause macro before or after the layer you specify.
2–3 perimeters and 20–40% infill recommended.
No supports needed.
Print Tips:
Tune tolerance for your printer; +0.2 mm is a good starting point.
PLA or PETG works great. TPU if you want flexy grips.