Creating interactive or touchable metal sculptures for public spaces requires careful planning to ensure durability, safety, and artistic appeal. Here are the key considerations:

1. Material Selection: Choose corrosion-resistant metals like stainless steel or bronze to withstand weather and frequent handling. Coatings or patinas can enhance longevity while maintaining aesthetic appeal.

2. Safety First: Smooth edges, rounded corners, and secure anchoring are essential to prevent injuries. Avoid sharp protrusions and ensure the sculpture can bear weight if climbing or sitting is encouraged.

3. Engagement Design: Interactive elements—such as moving parts, sound features, or tactile textures—invite public interaction. Consider how users will physically engage with the artwork to create an immersive experience.

4. Maintenance & Durability: Public art faces wear and tear. Design for easy cleaning and repairs, and select materials that resist vandalism or environmental damage.

5. Accessibility: Ensure the sculpture is inclusive, with features like braille descriptions or wheelchair-friendly interaction points.

By balancing creativity with practicality, artists can craft metal sculptures that captivate and endure in public spaces for years to come.