The idea immediately appears in the simplicity of the concave sign. But the adoption of the familiar shape for a washbasin reveals the project difference in the lack of lateral edges and in the elliptical sides that, in the excavation of marble, creates a slight internal slope. In the generosity of its proportion and borrowing the task of conducting given to the tool it takes the name from, Canale makes the water flow in the central slit. It doesn’t stem it but it gently accompanies the excesses of its natural exuberance.