All my research on Rodin and eroticism can be found at Eros and Rodin.
At the same time it illustrates something non-existent, an impossible object, like music for the deaf or for people who are tone deaf. The aural experience has been synaesthetically translated in a visual experience.
Listen to this drawing, it seems to say.
I am reminded of the dictum by Walter Pater: “all art constantly aspires towards the condition of music.” And of medium specificity.
The myth is reported by Pliny.
This is the story: a certain Kora (also called Callirhoe), was in love with a boy at Corinth who had to leave the country. Whereupon she drew on the wall the outline of the shadow of his face. From this outline her father Butades modeled a face in clay, and baked the model, thus preserving for his daughter a face in relief of the boy she loved.
My thoughts? Amazing, but, couldn’t Butades just as well have made a death mask of the face of the boy?