We are all accustomed to the fact that the spatulas (tools for applying putty) are smooth metal, plywood or rubber plate. Of course, if you want luted to a flat surface, they can not do without. But in many cases, a flat surface (in particular this applies to the walls) but does decorate the interior. Revive them by making fluted, will help notched trowel: it is easy to cut from a rubber sheet with a thickness of 5-6 mm. On one side will have to choose razor-sharp knife or razor blade the same groove. Finishes surfaces so the spatula shown in the picture.