Caldo is a ceramic tile for the decorative design of wall heaters, stoves and other elements of interior design. Traditional technology is here put at the service of creating contemporary forms. This timeless product, which is 100 per cent environmentally friendly, is made of mouldable, fireproof clay and radiates heat in a pleasant way. Depending on the viewing angle and the incidence of light, the three-dimensional surface reveals a multitude of graphic patterns.