Creating a distressed or antique finish on new metal sculptures can transform a shiny, modern piece into a timeless work of art. Here are the most effective techniques to achieve this weathered look:

1. Chemical Patina: Apply patina solutions like ferric chloride or liver of sulfur to oxidize the metal, creating rich greens, blues, or browns. This method works well for copper, bronze, and brass.

2. Rust Effect: For iron or steel, accelerate rusting with vinegar and salt solutions or commercial rust accelerators. Seal the rust with a clear coat to preserve the texture.

3. Abrasive Techniques: Use sandpaper, wire brushes, or steel wool to wear down edges and surfaces, mimicking natural aging. Focus on high-contact areas for realism.

4. Paint Layering: Apply multiple layers of paint, then sand or chip away sections to reveal underlying colors. A final wax or glaze can deepen the aged appearance.

5. Heat Aging: Torch the metal to create uneven discoloration and texture. Combine with oil or wax for a smoky, antique effect.

Each method can be tailored to achieve unique results, blending artistry with craftsmanship for a truly vintage finish. Experimentation is key to mastering the perfect distressed look.