Parametric Box & Lid | 9 Shapes | OpenSCAD

A fully parametric box with matching lid, designed for the MakerWorld Customizer. 
No CAD software needed — just adjust the sliders and print.

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SHAPES (9 available)
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- Rectangular
- Circular
- Ellipse
- Regular Polygon — triangle, pentagon, hexagon, octagon and more (3 to 16 sides)
- Star — configurable number of points and inner radius ratio
- Cross
- Heart
- Teardrop
- Arrow

All shapes support a universal corner rounding radius parameter.

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LID OPTIONS
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- Inner lip — lip fits inside the box opening (classic style)
- Outer lip — lip wraps around the outside of the box (shoe-box style)
- Adjustable lip height, lid thickness and fit tolerance

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FULLY PARAMETRIC
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- Length, width, height
- Wall thickness and bottom thickness
- Fit tolerance (increase if your printer runs tight)
- 4 view modes: both parts for printing, box only, lid only, assembled preview

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PRINT TIPS
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- Default tolerance (0.20 mm) works well for most FDM printers
- Increase to 0.30–0.35 mm for PETG or loosely calibrated printers
- Decrease to 0.10–0.15 mm for resin
- Print a quick test: set height = 10 mm to check lid fit before printing the full box