Do you want to add some 3D effects in your 2D designs? Open illustrator and draw an oval tool holding shift key. Then draw an ellipse with a different color and place it on the oval. Take blend tool,then click on ellipse shape and then oval one for a gradient effect. Draw another oval with a gradient and give it screen. Your glossy sphere is ready. Adding gloss, specular highlights as well as shadows adds some realism to one's art work.