Made with fragments of glass (tesserae and/or rod sections) of different colours placed side by side and fused together, mosaic glass has been in use since the 19th century.
Among the most evocative artefacts designed by Bianconi for Venini are those featuring glass tesserae. A first example of pezzato (patchwork) glass, where the tesserae themselves form the wall of the piece, was exhibited at the 25th Venice Biennale, in 1950. To produce these pezzati, the tesserae,
Fulvio Bianconi, Vases in Pezzato glass with opaque tessere, 1950-51. Photo: Enrico Fiorese