Food4Rhino

You can easily produce Voronoi cells on any NURBS surface with this tool.

Inputs:

S(surface) : Your target NURBS surface

N(number): number of points to generate

C(change): change the location of the points by giving a new number

F(factor): a number between 0 and 1 to produce frames (optional)

T(thickness): give a number for the thickness of the solid (optional)

Outputs:

Curves: Voronoi cell curves

Surface: the resulting surface if the "factor" input has a number

Solid: the resulting solid if the "thickness" input has a number

Download the examples at Parametric House website