A 3D object molding apparatus has a tank holding an uncolored or white resin as a first material for use in molding an interior of a 3D molded object and other thanks holding colored resins as second materials for use in molding a surface of the 3D molded object. A control unit moves a nozzle head in...http://www.google.fr/patents/US6612824?utm_source=gb-gplus-shareBrevet US6612824 - Three-dimensional object molding apparatus
