Question

How is casting useful for a sculptor?

And
What materials are usually involved in the process?

Answer 1

The method is used mainly for producing solid castings in aluminum that can be welded or riveted together to make the finished sculpture.

Answer 2

The melted down metal or other liquid substance is poured into a mold to harden. This method allows the artist to duplicate an original sculpture done in way, clay, plaster, or some other material.