Creating metal sculptures designed for tactile interaction requires careful consideration of materials, design, and safety. Here are the best practices to ensure your artwork is both engaging and safe for public interaction:

1. Choose Non-Toxic Materials: Opt for metals like stainless steel, bronze, or aluminum, which are durable and non-reactive. Avoid materials that may rust or leach harmful chemicals.

2. Smooth Edges and Surfaces: Round off sharp edges and polish surfaces to prevent cuts or abrasions. Textured finishes should be tactile but not abrasive.

3. Secure Installation: Ensure the sculpture is firmly anchored to withstand frequent touching. Avoid small, detachable parts that could pose choking hazards.

4. Temperature Considerations: In outdoor settings, use metals that don’t overheat in sunlight or become too cold in winter, ensuring comfort for touch.

5. Regular Maintenance: Inspect and clean sculptures regularly to address wear, corrosion, or damage that could compromise safety.

By following these guidelines, artists can create metal sculptures that invite interaction while prioritizing user safety and longevity.