Platform as a service (PAAS) featuring computer software platforms for providing design tools and allowing users to share their design work; Software as a service (SAAS) services featuring software for generating, searching, browsing, downloading, sharing, uploading, and editing model designs, including carving model designs, welding model designs, printing model designs, cutting model designs, and knife-cutting model designs; Software design and development; Maintenance of computer software; Conversion of data or documents from physical to electronic media; Graphic arts design; Industrial design; Research and development of computer software; Research and development of new products for others