Creating a weathered or aged look in new metal sculptures adds character and a sense of history to your artwork. Here are some of the most effective techniques to achieve this effect:

1. Chemical Patinas: Apply patina solutions like ferric nitrate or liver of sulfur to metals such as bronze or copper. These chemicals react with the metal to produce natural-looking oxidation and color variations.

2. Rust Effects: For iron or steel sculptures, accelerate rusting using vinegar, saltwater, or hydrogen peroxide. Spray or brush the solution onto the metal and let it oxidize naturally for an authentic aged appearance.

3. Mechanical Distressing: Use tools like wire brushes, sandpaper, or steel wool to scratch and wear down the surface. This mimics years of natural erosion and adds texture.

4. Heat Aging: Torch the metal to create dark, uneven tones. This works well on copper and steel, producing a smoky, weathered finish.

5. Layering Finishes: Combine paints, waxes, and sealants to build depth. Start with a base coat, add rust or patina, then seal with a matte varnish to protect the aged look.

Experiment with these methods to achieve a unique, time-worn aesthetic in your metal sculptures. Each technique offers distinct results, allowing for endless creative possibilities.