Parametric customizable pipe cap (OpenSCAD)

This is an alternate pipe cap end design for OpenSCAD, which can be customized according to your need.

- full, single cap - measure closely to your inner diameter
- split cap, fix with screw - allow a bit more tolerance.

The split cap will fix very firmly with a proper screw. Look out in OpenSCAD when rendering, for a hint about the minimum screw length.

- Suitable for a wide range of sizes
- Customizable
- Fix firmly (split variant)
- Easy to remove (depends on tolerance to inner diameter)
- Easy to print (no supports)
- Screws from M3 to M8, several screw head models.