Welcome to the guide for secondary school students practicing and learning Technical Drawing using AutoCAD, a powerful software for drafting and designing two-dimensional (2D) and three-dimensional (3D) objects. This manual aims to provide a comprehensive introduction to utilizing AutoCAD for creating precise 2D drawings, including Isometric and Orthographic Projections. By using AutoCAD, students can achieve greater accuracy and precision compared to traditional pencil-and-paper methods.