Avtor: Sonja Zorman Grabner

Viri: Krogla: https://calcok.com/sl/science-and-learning/97.php Stožec: https://folio.rokus-klett.si/?credit=SSIO9UC-prenova-2013&pages=164-165 Valj: https://sl.wikipedia.org/wiki/Valj Kader, kocka: https://folio.rokus-klett.si/?credit=SSIO9UC_izd_2020&pages=156-157 Pravilna 4-strana prizma: https://folio.rokus-klett.si/?credit=SSIO9UC-prenova-2013&pages=142-143 Pravilna 3-strana piramida: lasten 6-strana piramida: https://folio.rokus-klett.si/?credit=SSIO9UC-prenova-2013&pages=154-155 Geometrijska telesa: https://www.jecnik.si/?oddelek=2&pododdelek=5377&artikel=192&NazivOddelka=%C8as&NazivArtikla=Lesena%20geometrijska%20telesa#prettyPhoto