This video covers the dimensioning methods for technical drawings (chain vs baseline) and the gauging (attribute vs variable) and the types of errors that come with both. #gd&t Its best to watch Part 1 of the GD&T series to understand some of the basic set-ups. Part 1: https://www.youtube.com/watch?v=M0bVXXmXXdI Facebook: https://www.facebook.com/infinitymfg/ Twitter: https://twitter.com/?lang=en Google +: https://plus.google.com/u/0/b/115170678794551804669/communities/116597582865916960234