SAN RAFAEL, Calif., March 4, 2004 - Autodesk, Inc. (NASDAQ: ADSK), the world's leading design software and digital content company, today announced that Autodesk Inventor^® Series continues its reign as the world's #1 selling 3D mechanical design software. In the last year, the company sold more seats of its Autodesk Inventor Series software than its closest competitor, SolidWorks, cementing Autodesk's market leadership position in 3D design for a third year.