Using investment cores to cast hollow objects with the lost-wax method is certainly not new; it has been practiced for at least 5500 years. The recent rise in precious metal prices has caused renewed interest in hollow casting to produce attractively large yet lightweight jewelry. This paper will discuss historic practices for hollow casting and how recent technical innovations collaborate to reduce the difficulty experienced in the past, while expanding the design possibilities that make cast hollow jewelry an attractive alternative in the current market.

Author: Eddie Bell