CAD, which is the abbreviation for Computer Aided Design, has brought about a revolution in the way the engineering sector functions. Drawings that took hours to do manually a few years ago can be done in a matter of minutes now, thanks to this concept. The need for CAD services is increasing by the day. It is no wonder that a lot of companies are willing to outsource the AutoCAD drafting services to harness the benefits of better skills and cost effective labor. However, before you hire an external firm that provides CAD services, you need to establish a basic understanding of these services and their significance.