ESRI GIS Model Builder
 Who here loves Model Builder?     Well, if you haven't had a reason to use it before, let's chat about it's benefits.  Prior to my working at an engineering firm, I never had a reason to use it.  There wasn't anything that I did on a regular basis that called for it.  I took all of the classes, read all of the books, and I just didn't get why it was useful.     Then, I was asked to convert utilities for a project.  Not just once, but on a weekly basis.  Start to finish, it took me two weeks to convert and clean up the utilities from CAD on that beastly project.  Two.  VERY. PAINFUL. Weeks.  *Bang head against desk here.*     This meant the utilities were never up to date in the project map.  After two months of figuring out the kinks in the conversion process, I was challenged to create a model of this process.  It looked something like this:    Yes I'm OCD, and everything has to line up pretty.    My first model.  I had my doubts ...