Scenarios as a transactional object helps to facilitate dialog and bring convergence among a internal company project groups and multi-actors partnership building. The introduction of the break-through Merck generics packaging line requires to open a dialog between the different players in the project showing the scenario from each context and point of view: chemist shop marketing; hospital dept; pharmacists;authorities, patients… Client: Merck Génériques Partner:Généris Date: 2001 Project: Merck generics packaging line	CO-DESIGN PROCESS / PROJECT GROUP ANIMATION