What is an « architectural model » ? To what extent can « architectural models » be distinguished from heat science models, from fluid mechanics models, from biological models, but also from models in sociology, anthropology or history of architecture ? Can we define, found and implement a specific form of « architectural modeling » ? For what purposes ?« Architectural modeling », as it is formulated, studied and experimented in this PhD thesis, is a form of knowledge production that is comfortable with its purposes : organizing, deploying and making economically viable the delivery of an architectural design service for the daily making of artifacts that are today both « huge » and largely devoid of any architecture : the street, the publi...