47 lines
1.9 KiB
Markdown
47 lines
1.9 KiB
Markdown
# Parametric S-Hook
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**Status:** Reconstructed, corrected, and digitally validated; not load-rated.
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The editable generator is [s-hook.scad](s-hook.scad). FDM printing in PETG or another material appropriate to the expected flex and creep.
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## Defaults and important controls
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22/18 mm hook radii, 290° sweeps, 22 mm neck, and 5 mm round section.
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**Fit and tolerance:** Choose hook radii and section size for the actual objects; leave installation clearance.
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Open the SCAD file in OpenSCAD and use **Window → Customizer** to change the documented parameters. Dimensions are millimetres.
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## OpenSCAD and export
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This generator is maintained and validated with a recent OpenSCAD Nightly build.
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1. Open the SCAD file and select parameters in Customizer.
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2. Press **F6** for a full render.
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3. Use **File → Export → Export as STL** for printable 3D output.
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4. Slice with the actual printer, nozzle, material, and layer profile.
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## Included examples
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| Preset | STL | Digital render |
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| --- | --- | --- |
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| Default round section | [Download](stl-files/round.stl) | [Preview](images/round.png) |
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| Flat section with bulb tips | [Download](stl-files/flat-bulb.stl) | [Preview](images/flat-bulb.png) |
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| Curved reinforced oval section | [Download](stl-files/reinforced-oval.stl) | [Preview](images/reinforced-oval.png) |
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## Printing and fabrication
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Print flat in the generated orientation.
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The included STL files passed digital mesh and slicer checks. Digital validation does not establish physical fit, strength, fatigue life, or material suitability.
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## Known limitations
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- Not certified or rated for overhead, valuable, or safety-related loads.
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- Long-term creep and layer-direction strength require physical testing.
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## License
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The SCAD source, STL models, renders, and documentation in this public package are licensed under **CC BY-NC 4.0**. See the repository [LICENSE](../LICENSE.md).
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