A site that I wok a lot on is a vector illustration website called Vector Downloads.com. The following is a short tutorial about Adobe Illustrator complex shapes. More details about the article included below..
The Pen is a very powerful tool that will allow you to draw freely, however sometimes it can prove challenging to make advanced shapes and having to deal with multiple anchor points and handles that could make your drawings seem crooked or inaccurate. So I’m here to show you how to take full advantage of the basic shapes using the rectangle, ellipse and polygon tool and the Pathfinder feature in Illustrator CS4 to make complex shapes, Let’s start.