Use Path Finder Shape Modes in Illustrator
How to use Path Finder Shape Modes in Illustrator This Adobe Illustrator tutorial demonstrates the basic shape modes in path finder (add, subtract, intersect, and exclude), and shows how to use the direct selection tool and expand features of Illustrator. Finally, a bubble box is created (for the Yahoo Map project) with the add shape mode and a drop shadow effect added.
Watch as Mike Lively of Northern Kentucky University shows you how to use Path Finder Shape Modes in Illustrator.