Artists employ a variety of techniques to simulate aging and weathering in newly fabricated metal sculptures, transforming pristine surfaces into pieces that evoke history and character. One common method is chemical patination, where acids or oxidizing agents are applied to metals like bronze or copper to induce controlled corrosion, creating rich greens, blues, or browns. For steel or iron, accelerated rusting through saltwater sprays or vinegar solutions produces authentic reddish-brown textures.

Mechanical distressing—using tools like wire brushes, sandblasters, or chisels—adds physical wear, mimicking years of erosion. Layering paints and waxes enhances depth, while heat treatments can darken metals for an antique appearance. Some artists even bury sculptures temporarily to let nature take its course. By combining these methods, sculptors craft pieces that tell visual stories of time’s passage, blending artistry with scientific precision.