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Toio Floor Lamp

c. 1962

by Achille + Pier Giacomo Castiglioni
for Flos

The Toio floor lamp was one of the first lamps designed in 1962 by Achille and Pier Giacomo Castiglioni for the newly formed Flos. It is an iconic example of the Castiglioni Broth­ers’ Ready-Made Objects – a collec­tion of design objects that features ready-made” or found” elements assem­bled in unex­pected ways to create a new object.

The head­light from an auto­mo­bile was the inspi­ra­tion for the Toio lamp. Its 300-watt reflec­tor bulb sits exposed within a simple cradle of nickel-plated brass atop a height-adjustable hexag­o­nal stem. The rings used to direct line in a fishing rod are also used here to guide the elec­tri­cal cord along this stem. An exposed trans­former sits within the enam­eled steel base frame and helps provide the needed weight to keep the floor lamp balanced. The Toio lamp is included in the perma­nent collec­tion of several museums world­wide includ­ing the Museum of Modern Art, New York. The fact that Toio is still in produc­tion a half-century later is a testa­ment to its absolute time­less­ness. Avail­able in a choice of red or black enam­eled base finish.

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FLOS Catalog 2021


FLOS Catalog 2021


Achille + Pier Giacomo Castiglioni


In 1938, brothers Livio and Pier Giacomo created the Castiglioni Studio, after a few years of collaboration they were joined by a third brother, Achille, in 1944. By 1952 the designs from the studio were helmed by Pier and Achille. As industrial designers, the brothers pushed the limits of design and materials. Receiving a collective achievement of 9 Compasso d'Oro awards. It is believed that over the course of their careers Achille and Pier created over 150 products. Castiglioni Studio had design relationships with Flos, Zanotta, Alessi, and many more. Over the course of their career as design collaborators, the aesthetics of their designs were so in-line with one another, that there was never a clear delineation between the stylistic approaches of either brother.

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