3. Conclusions <br> <br> CAD modeling Reverse engineering involves many areas of research, theory and methods in terms of deepening or are of great significance from the perspective of the practice of engineering design theory point of view the three-dimensional object recognition understandable. Because of this, it has received extensive attention and investment from researchers at home and abroad. However, the current work is still limited to the study of special objects, special measurement data and special modeling methods. The research in different fields lacks communication. It is still difficult to study the objects and data of complex topologies. The general method. Previous page
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Reverse engineering technology, especially 3D model reconstruction, is still a very professional work. In addition to understanding the product features, manufacturing methods and skilled use of CAD software, reverse modeling software, on the other hand should be familiar with upstream measurement equipment and The measurement process is used to understand the data structure and the requirements for subsequent models to reconstruct the model. Therefore, the quality of model reconstruction is still directly affected by the operator's experience and level. How to improve the intelligence of software and reduce the dependence on designers is the direction of future development.