The design and incorporation of a three-dimensional (3D) object training module based on projection drawing plays a vital role in enhancing students’ spatial visualisation abilities. The primary goal is to make instruction in technical drawing more effective by employing Unity 3D in conjunction with Vuforia. This study focuses on constructing a 3D object framework for projection drawing and seeks to produce a pedagogical tool that enables learners to grasp projection processes through an application, thereby strengthening the teaching of technical drawing courses. In addition, the researchers integrated principles of media-based training within projection drawing instruction, assisting students in overcoming challenges when interpreting views from multiple perspectives during technical drawing sessions. The development involved producing an application via Unity 3D that realistically replicates both two-dimensional (2D) and 3D representations, while also being synchronised with Vuforia. The application was configured for exportability, ensuring compatibility with platforms such as Windows and Android, and enabling installation on smartphones. To minimise errors, the researchers collected expert evaluations using a structured quality assessment instrument completed by three specialists. The resulting data were subjected to statistical analysis, employing mean values and standard deviation measures. The assessment revealed reliability levels through the Index of Item Objective Congruence (IOC), with scores between 0.6 and 1 across 20 items, all exceeding the benchmark value of 0.5. These findings confirm that the projection drawing training module attained favourable quality ratings.