Italian company producing glass and crystal objects, founded in 1963 in Colle Val d’Elsa. Its collections include celebrated designs by Joe Colombo, Cini Boeri, Marco Zanuso and Ettore Sottsass. In 2000, OTB was invited by François Burckhardt, the company's design director, to provide designs for glass objects. The result was Fioreluz, a centrepiece, and the Solcuadro ashtrays, and Tableta a tray with four containers.

    Later, he designed his ashtray for Havana cigars.