Freestanding metal sculptures require robust structural supports to maintain stability and withstand environmental factors. The most common supports include welded steel bases, which provide a solid foundation for heavier pieces. For outdoor installations, concrete footings are often used to anchor sculptures securely into the ground. Internal steel frameworks, such as rebar or armatures, offer hidden support for larger or more intricate designs. Adjustable brackets and guy wires are also employed for taller sculptures to prevent swaying. Additionally, weighted bases filled with sand or lead are popular for smaller indoor pieces, ensuring balance without permanent fixtures. Each method is chosen based on the sculpture's size, weight, and intended display environment.