Trim element comprising at least one foamed central area and tool for producing such an element

A trim element comprising a support element made in a single piece, having an inner face and an outer face, said support element comprising a central area covered, on the outer face thereof, by a layer of foam, and a peripheral area protruding from an edge of the central area and extending around the central area and not covered by foam, characterized in that the support element comprises a tab protruding from the inner face at the edge of the central area, said tab extending opposite the inner face of the peripheral area of the support element, said tab forming a positioning element for positioning the support element in a production tool of the trim element.