The present invention relates to a method for projecting information issued from a digital design model, comprising the following steps: a calibrating step comprising acquiring characteristic data originating from a surface of interest, comparing said characteristic data with virtual data issued from the digital design model, and determining a spatial position of a projecting device comprising a video projector and at least two separate image-capturing devices; anda step of projecting, depending on said spatial position, information issued from the digital design model, by means of said video projector, onto said surface of interest..