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Simplify 3d void in model7/30/2023 A prototype system for the simplification of 3D CAD models is then implemented. ![]() In this study, the concept of feature shape complexity (FSC) is introduced, and a method of adopting FSC as a criterion of evaluation metrics is presented. Feature volume and type have been the most popular criteria used in evaluation metrics for the simplification of feature-based 3D CAD models. The simplification operation removes the selected elements and fills up the void in the model caused by the removal. Evaluation metrics are employed to select elements to be preserved or removed by calculating the importance of the geometric elements comprising a 3D CAD model. The key technologies to achieve these purposes are evaluation metrics and simplification operation. The main purpose of simplification is to minimize the change in the outer shape of the models and to reduce the data size of the models. ![]() Therefore, it is necessary to develop techniques to simplify 3D CAD models in order to adjust the LOD of the model according to its purpose. Three-dimensional computer-aided design (3D CAD) models with different levels of detail (LOD) are used in various industries for numerous purposes.
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