The present application relates to a method for producing a composite body comprising a flexible decorative material for use as decorative trim having a visible surface in a motor vehicle. The method comprises first joining a plurality of material pieces to form a material block, and then severing one or more composite bodies from the material block. The severing is carried out such that the severed composite body contains several of the material pieces. Thereafter, the severed composite body is applied to a visible surface of a decorative trim.