Do you have interest in creating 3D objects? Open illustrator and draw a star tool with gradient fill in it. Then go to effects>3D>Extrude/Bevel. Select preview to view the star in 3D while changing its settings. One can rotate the star in any angle as well as change the thickness of the star. Then go to object>expand appearance and then click on the gradient. Our star is ready. It will help in creating 3D objects and shapes.