Which architectural product innovation was specifically developed for and first widely used in Frank Gehry's Guggenheim Museum Bilbao, allowing its complex curved surfaces to be precisely fabricated?

Frank Gehry's titanium-clad Guggenheim Museum in Bilbao, Spain revolutionized how we think about architecture's role in urban renewal and cultural tourism. The museum's unique design not only created an iconic landmark but sparked economic revitalization in a declining industrial city. This phenomenon has influenced architectural product design and city planning worldwide, with many cities seeking their own 'Bilbao Effect' through signature architecture.

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CATIA (Computer Aided Three-dimensional Interactive Application) software, originally developed for aerospace design
Self-cleaning titanium panels with photocatalytic coatings
Parametric modeling system called Grasshopper
Carbon fiber reinforced concrete formwork system