The Wishes of the Return
This set of two cast copper plates was designed by Master Liu Wing Sheung in 1997. The spring ox pattern and the couplet expresses his “wishes” that the “return” will bring peace and prosperity in the future.
In traditional Chinese culture, the Spring Ox Illustration is a folklore pictorial guide for predicting rainfall and crop harvest. We can find it in Tung Shing, a Chinese divination guide and almanac.
STORY OF THE TRADITIONAL CRAFT
In Hong Kong, the traditional casting industry mainly produces copper or iron parts for machine components. Being the apprentice of Master Liu Wing Sheung, sculptor Fanson Lam hopes to bring copper casting to a new aesthetic level through the collaboration. He discusses the feasibility of his creative idea with Master Liu. With over fifty years of experience, Master Liu's craftsmanship carries Fanson's creation.
Harnessing his creativity as a sculptor, Fanson incorporates Master Liu’s traditional metal casting techniques into new designs. Through endless discussions and experimentations, their complementary skills continue to bring traditional metal casting techniques into contemporary objects in our daily lives.
MAKING PROCESS
There are two major ways of casting: sand casting and lost wax casting. Liu specializes in the latter and the making process is as follows:
First, a sculpted clay model is covered with silicone gel, forming a mold after being air-dried. Liquid wax is poured into the mold and after cooling, the wax will harden to become the desired form. A complex form has to be divided into several parts and they are welded together to become a wax tree.
The wax tree is then placed in a steel container where the plaster is poured into. Hardened plaster is heated so that all the wax wrapped around the plaster is melted and a hollow plaster mold is formed.
Copper is melted at a high temperature of over 1000°C and injected into the plaster mold. The plaster mold is cooled by immersing in water, enabling the copper inside to solidify. The plaster is then removed and an oxidized patina could be created by dipping the work into a special chemical solution. After coloring and finishing, the work is heated repeatedly and coated with a wax layer to enhance durability.
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