Origin and diffusion of the Saint Chapel's image

During the fifteenth century, the Saint Chapel in Paris became an architectural model for many French churches and a vector of the royal power by disseminating the devotion for the relics of Christ. The image of interior of the Saint Chapel had also a considerable influence on the compositional process of many miniatures, especially for the transmission of its musical attributes (the organ and the singers), and was integrated in the repertoire of the painters. The Saint Chapel became an imaginary model for the iconography of the interior of a chapel, adaptable to any sacred architecture, and particularly significant for the patrons who wanted to support the royal power.