### Description
!!! note
    This original source code for this example is [here](https://gitlab.kitware.com/vtk/vtk/blob/73465690278158b9e89661cd6aed26bead781378/Examples/Rendering/Cxx/SpecularSpheres.cxx).

!!! info
    See [Figure 3-10](/VTKBook/03Chapter3/#Figure%203-10) in [Chapter 3](/VTKBook/03Chapter3) the [VTK Textbook](/VTKBook/01Chapter1).

