Export from Display3D to OFF allowing to generate a U3D/PDF format
see pdf file: https://liris.cnrs.fr/dgtal/wordpress/wp-content/uploads/2010/10/3dKSSurfaceExtractionExport.pdf

Export from Display3D to OFF allowing to generate a U3D/PDF format
see pdf file: https://liris.cnrs.fr/dgtal/wordpress/wp-content/uploads/2010/10/3dKSSurfaceExtractionExport.pdf