9 Modelling design libraries, namely, downloadable electronic data files for use in polygonal modelling; modelling software libraries, namely, software for polygonal modelling; modelling software components, namely, computer software for use in any 3-D modelling applications, including, for example, in applications such as CAD/CAM/CAE, reverse engineering, additive manufacturing, 3D printing, rapid prototyping 3D movies and gaming, geo-exploration and urban modelling; polygonal modelling design libraries, namely, downloadable electronic data files for creating, manipulating or repairing polygonal meshes; polygonal modelling design libraries accessed through an application programming interface, namely, downloadable electronic data files for polygonal modelling through an application programming interface; polygonal modelling design libraries containing geometrical algorithms, namely, downloadable electronic data files for use in polygonal modelling; polygonal modelling software design libraries, namely, downloadable electronic data files for use in polygonal modelling; polygonal modelling software components, namely, computer software for use in any 3-D modelling applications, including, for example, in applications such as CAD/CAM/CAE, reverse engineering, additive manufacturing, 3D printing, rapid prototyping 3D movies and gaming, geo-exploration and urban modelling; polygonal modelling software components containing boolean algorithms, namely, computer software for use in any 3-D modelling applications, including, for example, in applications such as CAD/CAM/CAE, reverse engineering, additive manufacturing, 3D printing, rapid prototyping 3D movies and gaming, geo-exploration and urban modelling; polygonal modeling software components containing solid closing algorithms, namely, computer software for use in any 3-D modelling applications, including, for example, in applications such as CAD/CAM/CAE, reverse engineering, additive manufacturing, 3D printing, rapid prototyping 3D movies and gaming, geo-exploration and urban modelling; polygonal modelling software components, namely, computer software for slicing, sectioning, spun profile calculation, self-intersection detection or fixing in relation to polygonal meshes