Tuscan architect and designer Luciano Grassi (1927-2008) created, together with Sergio Conti and Marisa Forlani, the series of Monofilio chairs. Since the ealry 50’s Grassi reflected on the balance between tradition and modernity, on the possibility of combining an artisanal method of production with continuous attention to formal experimentation and the search for new materials without ever losing sight of the functional aspect. 
The Monofilo collection completely fuses an industrial approach with craftwork. The chairs present a metal frame within which the nylon thread was woven in a dense weave that required craftsmanship abilities.
The Cesto chairs concentrated their shapes on the repetition of basic geometric figures. The first idea for the Monofilo was that the object was to be extracted from a geometric shape or from combinations of various elementary geometric shapes, which had to open up to facilitate construction. This simplification was also to be favored by the use of low-cost materials and by the reduction of labor interventions.