The Technique of Bronze Statuary in Ancient Greece – The Metropolitan Museum of Art https://www.metmuseum.org/essays/the-technique-of-bronze-statuary-in-ancient-greece
Since all but a few ancient bronze statues have been lost or were melted down to reuse the valuable metal, marble copies made during the Roman period provide our primary visual evidence of masterpieces by famous Greek sculptors.
This model is surrounded with clay and then heated in order to remove the wax and