Multiscalar Digital Twin. Step Representation towards Urban Multiverse

In this paper we describe the representation of the environment where the interaction between user and digital models in architectural and urban settings in the design, construction and subsequent maintenance phases. The purpose lies in establishing scenarios for an evolution of the concept of the space of user-model interaction in a fully virtual digital space containing both. The paper lists the main limitations of current tools related to the fruition of models in the field of construction or urban data reading, with a curious look at immersive reality environments, more developed towards gaming or other realities where it is the representation of the space that becomes the means for interaction with objects. To do this, the paper is divided into 3 parts in which concise graphic diagrams indicate quick summaries: analysis and schematization of the user/architectural model or user/urban model relationship with a brief repertoire of modalities and possible augmented technologies; analysis of the main interaction environments comprising users and objects where the representation of space plays a key role in the development of actions; opportunities in the field for the representation of new in-teraction spaces, limitations and levers for its growth, and methodologies necessary for its fulfillment