Caldera is a round washbasin made of cast concrete. Designed by Valentino Marengo in 2017.

Caldera presents a design concept influenced by the practicality of ancient objects, drawing inspiration from the Cycladic culture of the Bronze Age. In Cycladic art, wash bowls were crafted with a distinct structure, often supported by three legs. Reflecting this tradition, Caldera features an organic shape reminiscent of ancient handcrafted artifacts.

Caldera is named after the Greek word meaning a large cauldron-like hollow, formed shortly after the emptying of a magma chamber during a volcano eruption. The volcanic area in Santorini is referred to as Caldera.