Ma'anar ƙamus na "sculpture" aikin fasaha ne mai girma uku wanda aka ƙirƙira ta hanyar siffata wani abu mai jujjuyawa da ake kira yumbu. Ya ƙunshi sarrafa yumbu don ƙirƙirar siffa ko siffa, wanda sai a bar shi ya bushe ko kuma a harba shi a cikin tukunyar don taurare kuma ya zama dindindin. Ana iya ƙirƙira sassaƙaƙen yumbu ta amfani da dabaru iri-iri, gami da ƙirar ƙira, sassaƙa, da simintin gyare-gyare. Ana amfani da su sau da yawa a cikin ayyukan fasaha da fasaha, kuma suna iya kamawa daga ƙananan kayan ado zuwa manyan kayan aiki.