ShaderMaker

Launch PiXELS3D
Double click on the PiXELS3D icon to launch the application. The PiXELS3D splash screen will open. After 3 seconds the PiXELS3D interface will appear.

Create a cylinder
Use the Shape > Cylinder tool to open the Cylinder Options dialog. Click the OK button to accept the default settings and create a cylinder.

Open ShaderMaker
Use the Window > ShaderManager (Command-W) menu item to open the ShaderManager dialog. Click on open cell to get Shader Maker.

Background
Shaders can be created from scratch or you can use the Load button to read a shader from disk. Once a shader has been read into ShaderMaker, it can be edited to create a new look.