https://cimquesttv.wistia.com/medias/vsd6qphadn?embedType=async&videoFoam=true&videoWidth=640

Create Water-Tight Model from CAT Scan

Virtual Rescan in DesignX is a great solution if you want to take a mixed mesh that contains inner and outer feature shapes, and extract only the exterior poly-faces, all in just a few minutes.