Buenos Aires, Argentina - May 2020 - At the Salesian "Leone XIII" center, in the Palermo district of Buenos Aires, teachers, students and past pupils of the technical sector are producing protective plastic visors via 3D printers. They make use of the advice and collaboration of the past pupil Santiago Arce, pulmonologist. The visors are made with a bioplastic that serves as input for 3D printing. As of Monday 4 May, 921 visors have been delivered to various healthcare facilities in the city of Buenos Aires. For more information, visit the website: porlosjovenes.org