Nowadays BIM methodology is designed to drastically change the whole design process, which traditionally shows an extreme data fragmentation. Such methodology aims to use IPDB (Integrated Database Project) to share data within different platforms, allowing the extraction of all kind of building information. Each information exchange involves, inevitably, duplication of data, risk of errors and then loss of time. Through different experiences (researches, professional activities and resulting didactic effects) the aim of the paper is to show some of the most interesting operative proposals in order to relate different fields by the use of interoperable data systems.