Acciona showcases its advancements in 3D printing by creating a replica of the Romanesque arch of San Pedro de las Dueñas, demonstrating the potential for cost-effective and intricate reproductions of art and architecture. The company emphasizes innovation through its open model, transforming good ideas into commercially viable energy solutions while tackling global challenges such as water access and renewable energy. Significant projects include hybrid wind-solar technology and major railway contracts in Norway and Australia, underlining Acciona's commitment to sustainability and technological leadership.