[url=https://gvaedu-my.sharepoint.com/:u:/r/personal/ja_pinaromero_edu_gva_es/Documents/TOT%20EL%20MATERIAL%20DE%20PINA/APPLETS%20GEOGEBRA/LAPICERO%20ESCUTOIDE/lapicero11.stl?csf=1&web=1&e=J8j6es]Enlace al STL[/url]