Plessi's drawings represent an exploration of form, documenting bottles and drinking glasses in various arrangements – from single studies to comparative groupings of two or three pieces. These elaborate sketches capture the artist's process of measuring and calculating the sculptural distortions, with annotated dimensions and colour notations that map how turbolenza transforms the archetypal vessel. Though independent artistic statements, the drawings also embody the dialogue between creative vision and the technical realities of glass production while paying homage to Barovier&Toso, the world's oldest glassmaking company, established on Murano in Venice, renowned for glass artistry since the thirteenth century.