Geometric Dimensioning and Tolerancing
David A. Madsen is the president of Madsen Designs Inc. and an Authorized Autodesk Author. David is Faculty Emeritus of Drafting Technology and the Autodesk Premier Training Center at Clackamas Community College in Oregon City, Oregon. David was an instructor and department Chairperson at Clackamas Community College for nearly 30 years. In addition to community college experience, David was a Drafting Technology instructor at Centennial High School in Gresham, Oregon. David is a former member of the American Design Drafting Association (ADDA) Board of Directors, and was honored by the ADDA with Director Emeritus status at the annual conference in 2005. David has extensive experience in mechanical drafting, architectural design and drafting, and building construction. David holds a Master of Education degree in Vocational Administration and a Bachelor of Science degree in Industrial Education. David is the author of Geometric Dimensioning and Tolerancing and coauthor of Architectural AutoCAD, Architectural Desktop and its Applications, Architectural Drafting Using AutoCAD, AutoCAD and Its Applications: Basics, Advanced, and Comprehensive, AutoCAD Essentials, and other textbooks in the areas of architectural drafting, mechanical drafting, engineering drafting, civil drafting, architectural print reading, and mechanical printing reading. David P. Madsen is the president of Engineering Drafting and Design, Inc., the vice president of Madsen Designs Inc., an Authorized Autodesk Author, and a SolidWorks Research Associate. Dave provides drafting and design consultation and training for all disciplines Dave has been a professional design drafter since 1996, and has extensive experience in a variety of drafting, design, and engineering disciplines. Dave has provided drafting and computer-aided design and drafting instruction to secondary and postsecondary learners since 1999, and has considerable curriculum, program coordination, and development experience. Dave holds a Master of Science degree in Educational Policy, Foundations, and Administrative Studies with a specialization in Postsecondary, Adult, and Continuing Education; a Bachelor of Science degree in Technology Education; and an Associate of Science degree in General Studies and Drafting Technology. Dave is the author of Inventor and its Applications, and coauthor of Architectural Drafting Using AutoCAD, AutoCAD and Its Applications:Basics and Comprehensive, Geometric Dimensioning and Tolerancing, and other textbooks in the areas of architectural drafting, mechanical drafting, engineering drafting, civil drafting, architectural print reading, and mechanical printing reading.