Massive model visualization in PDM systems

Systems and methods for massive model visualization in product data management (PDM) systems. A method includes storing a database for a partially-unconfigured product data structure that includes configured components and unconfigured components in a product data management (PDM) server system. The method includes responding to component identifier requests from a client system by sending requested component identifiers from the product data structure to the client system, wherein the component identifier requests correspond to visible components of an assembly represented by the product data structure. The method includes transmitting geometric data to the client system, the geometric data corresponding to configured occurrences of the product data structure associated with the requested component identifiers.