It mixes the three techniques of etching, aquatint, eau forte and dry point. His printmaking favor copper plates worked in acid, mezzotint and dry point . His plates are chiefly etched and finished with the dry point. Under Portela's direction, Garayalde began to develop the graphic technique of the dry point. The term typically applies to settlements, and dry point settlements were common in history. Here he perfected the techniques of the lithography, etching, dry point and wood-block printing. He worked in many manners, etching, dry point, mezzotint, sand-ground mezzotint, and burin engraving.