Throughout his career, he made drawings which were preparatory for prints. Notable among these are his illustrations for the very popular first Spanish translation of Robinson Crusoe, by Tomás de Iriarte (1750–91), published in Madrid in 1789 (which is in fact a translation not of Daniel Defoe's original text, but of Joachim Heinrich Campe’s adaptation, published in Hamburg 1779–80).
Throughout his career, he created sketches that served as blueprints for prints.  Notable among these are his illustrations for the widely popular first Spanish translation of Robinson Crusoe, by Tomás de Iriarte (1750–91), published in Madrid in 1789 (which is actually a translation not of Daniel Defoe's original text, but of Joachim Heinrich Campe’s adaptation, published in Hamburg 1779–80).