Delish Treats Fondant Smoother (1pc) The tool for shaping and smoothing the top edge of your fondant and marzipan creations. Easy to use so that no puffed areas appear and the dents and imperfections are smoothened out. 3 designs to choose from: One fondant smoother will smoothen the top edge. One fondant smoother will create a curved top. One fondant smoother will smoothen the sides.