Obtaining the digital representation of the product model required for each product view is time consuming because component shapes and their associated data need to be adapted. This shape adaptation is considered as performed in the product view interface where a mixed shape representation reduces the prescriptive effects of the component models thus generated. Considered here as a second part, issues related to operators addressing the associative modifications of product models and, more specifically the product shape description, are described as a complement of the first part. Among the product views, the concept of downstream digital mock-up serves as basis to illustrate the properties of the proposed approach. Associative modifications are addressed through shape mapping issues. The product adaptation phase is here regarded as a process and the corresponding model is described showing how the concept of product assembly can be considered as subjected to multiple representations.