 The new trace based on the principles of symmetry and centrality offered by Renaissance, following at the same time theories and Sebastián Serlio tips.In the case of the Fabio Nelli Palace it was not to restore a Gothic building but to conclude a frontage and cover in a building whose interior did not exactly meet the new fashions.According to the taste of Fabio Nelli, the palace had to finish following the latest Italian fashion and for that purpose fully relied on Pedro de Mazuecos.