47 lines
1.9 KiB
Markdown
47 lines
1.9 KiB
Markdown
# Parametric Box
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**Status:** Digitally validated for three lid systems; physical mechanisms require calibration.
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The editable generator is [parametric-box.scad](parametric-box.scad). FDM printing in PLA or PETG.
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## Defaults and important controls
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100 × 70 × 40 mm inside volume, 2.4 mm walls, rounded corners, and inner-lip lid.
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**Fit and tolerance:** Lid clearance defaults to 0.25 mm; sliding, hinge, snap, and magnet fits are separate controls.
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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 inner-lip layout | [Download](stl-files/inner-lip.stl) | [Preview](images/inner-lip.png) |
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| Sliding lid with pull tab | [Download](stl-files/sliding-lid.stl) | [Preview](images/sliding-lid.png) |
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| Hinged lid with front snap | [Download](stl-files/hinged-snap.stl) | [Preview](images/hinged-snap.png) |
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## Printing and fabrication
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Print the box on its bottom and detached lids on their largest flat face.
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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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- Combined layouts can exceed a nominal 220 mm usable bed width.
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- Hinges, snaps, and magnets require physical fit 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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