Engineering Drawing Why should we use and learn about Engineering Drawing? Maybe the geometry information can be expressed in 3D module by Unigraphics, but how to express the information else such as the notes,title,......? Shanghai Jiao Tong University 3Shanghai Jiao Tong University 3 Engineering Drawing n Why should we use and learn about Engineering Drawing? n Maybe the geometry information can be expressed in 3D module by Unigraphics, but how to express the information else such as the notes, title,……?