<https://e5z9i4t6.rocketcdn.me/wp-content/uploads/2022/08/Etirer_GstarCad-02.png>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://alpes-cad-formation.fr/courses/gstarcad-les-fondamentaux/etirer_gstarcad-02/>