A Hybrid Approach for Segmenting and Fitting Solid Primitives to 3D Point Clouds Topics: 3D Model Repair and scene reconstruction; CAGD/CAD/CAM Systems; Geometric Computing; Surface Modeling In Proceedings of the 15th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 0VISIGRAPP, 38-48, 2020 , Valletta, Malta