It used to be a time consuming process to create a halftone pattern. First, I would open a picture in Photoshop, convert it to grayscale, apply a halftone pattern effect, open it up in illustrator, trace it, and if didn’t get messed up somewhere in the process, I would use the halftone pattern in Illustrator. In Illustrator CS3 it is quite a bit easier to create halftone patterns without leaving I