47 lines
1.8 KiB
Markdown
47 lines
1.8 KiB
Markdown
# USB Stick Holder
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**Status:** Digitally validated; connector retention requires physical calibration.
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The editable generator is [usb-stick-holder.scad](usb-stick-holder.scad). FDM printing in PLA or PETG.
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## Defaults and important controls
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Eight-position rectangular holder, 18 mm high, for nominal 12.0 × 4.5 mm USB-A plugs.
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**Fit and tolerance:** Print the clearance test before a large holder; real USB-A shells vary.
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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 requires a recent OpenSCAD Nightly build with `textmetrics` enabled.
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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 rectangular holder | [Download](stl-files/rectangular.stl) | [Preview](images/rectangular.png) |
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| Circular holder | [Download](stl-files/circular.stl) | [Preview](images/circular.png) |
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| Five-step clearance test | [Download](stl-files/fit-test.stl) | [Preview](images/fit-test.png) |
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## Printing and fabrication
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Print holders and fit tests on their flat base.
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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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- Requires OpenSCAD Nightly with textmetrics enabled for measured labels.
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- Body spacing and wall mounting require physical checks.
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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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