How do artists create hollow cores in concrete animal sculptures to reduce weight?
Artists use several techniques to create hollow cores in concrete animal sculptures, reducing weight without compromising durability. One common method involves building an armature with lightweight materials like foam or wire mesh, which is later removed or left inside as a filler. Another approach is slip casting, where liquid concrete is poured into a mold and allowed to set partially before the center is poured out. Some sculptors carve out the core after the concrete has partially cured, while others use inflatable forms that deflate once the concrete sets. These methods allow for easier transportation and installation while maintaining the sculpture's structural integrity and artistic detail. Proper reinforcement with fibers or rebar ensures the hollow design remains stable over time.
