Creating large-scale metal sculptures with minimal seams requires a combination of advanced techniques and meticulous planning. One of the most effective methods is using TIG welding, which provides precise control and produces clean, nearly invisible seams. For even smoother results, cold metal transfer (CMT) welding minimizes heat distortion, reducing the need for extensive finishing work.

Another approach involves modular fabrication, where the sculpture is designed in smaller, seamless sections that are later assembled with hidden joints. This technique not only reduces visible seams but also simplifies transportation and installation. Hydroforming is also gaining popularity, as it allows for seamless, complex shapes by shaping metal sheets with high-pressure fluid.

For sculptures requiring a monolithic appearance, lost-wax casting or 3D printing in metal can produce seamless forms, though these methods are often more costly. Finally, meticulous grinding and polishing are essential to blend any remaining seams, ensuring a flawless finish. By combining these techniques, artists can achieve stunning, seamless large-scale metal sculptures.