by Terence M. Shumaker Faculty Emeritus Former Chairperson Drafting Technology Autodesk Premier Training Center Clackamas Community College Oregon City, OR David A. Madsen President, Madsen Designs Inc. Faculty Emeritus Former Department Chairperson Drafting Technology Autodesk Premier Training Center Clackamas Community College Oregon City, OR Director Emeritus, American Design Drafting Association David P. Madsen President, Engineering Drafting & Design, Inc. Vice President, Madsen Designs Inc. Computer-Aided Design and Drafting Consultant and Educator Autodesk Developer Network Member American Design Drafting Association Member Jeffrey A. Laurich Instructor, Mechanical Design Technology Fox Valley Technical College Appleton, WI J.C. Malitzke President, Digital JC CAD Services Inc. Former Department Chair Computer Integrated Technologies Former Manager and Instructor Autodesk Authorized Training Center Moraine Valley Community College Palos Hills, IL Craig P. Black Instructor, Mechanical Design Technology Former Manager and Instructor Autodesk Premier Training Center Fox Valley Technical College Appleton, WI Publisher The Goodheart-Willcox Company, Inc. Tinley Park, IL www.g-w.com AutoCAD® and Its Applications COMPREHENSIVE 2020