Presta Valve Dust Cap (OpenSCAD Parametric)

This is a series of designs with different textured grips for the Presta (aka French) valve dust cap found on road bicycles. The OpenSCAD source code is included but requires the BOSL2 library for the threading and textures.

The cap threads directly on the Presta valve head rather than some designs that thread onto the valve stem.

If you want to play around with the dimensions, to get an idea of how the inside and outside look relative to each other, modify the lines at the bottom as follows:

    difference()
   {
       %outer(internal, external);
       #inner(internal, thread);
   }

This will make the outer invisible and highlight the inner. Make sure to remove the % and # before final rendering (F6) and exporting.

The examples were printed on a Prusa Mini+ with a 0.25mm nozzle and a layer height of 0.1mm. Supports aren't needed.