Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
sculptūra, ae, f. [sculpo], a cutting out, carving in relief, sculpture: anulus, cujus gemmae sculptura erat Proserpinae raptus, Suet. Ner. 46: anulus ejusdem sculpturae, Just. 15, 4, 5; Quint. 2, 21, 9.