计算机辅助制图设计（CADD）

制图是工程、建筑和设计的结合。 Drafters take ideas and place them on paper for manufacturing and construction purposes. Drafting professionals create blueprints, building plans and schematics used in building highways, bridges, buildings and other facilities and public works. Mechanical drafters use software to create solid models and detailed technical drawings of machinery or mechanical devices. 这些图纸被设计和制造产品的行业所使用。