Abstract: The article presents a modeling program based on AutoCAD platform. The
program can be used as an aiding tool for user to interpret the 3-view drawings. The program will
separate the 3-view drawing into related three drawings according to the geometric relationship
between each view, and will store every closed loop on each view. Based on the background
knowledge base, the program can help the user to generate a model quickly.

Key words: computer-aided visualization, computer aided modeling, 3D reconstruction