The responsibilities of an AutoCAD designer include drafting original designs using CAD software to create 3D drawings starting from a sketch. In this career, you revise drawings and ensure they meet client specifications and required standards. As a draftsman, you help the engineer prepare and develop plans, estimate costs, and determine the parts needed for each project. Depending on the business you work for, you may create drawings for various applications, including electrical, structural, control, HVAC, and more. Other duties include completing paperwork to track project costs, filing engineering drawings, and ensuring workers complete the job safely and efficiently.