Which innovative product design approach was famously inspired by and directly attributed to Jørn Utzon's Sydney Opera House shells?

The Sydney Opera House is one of the most recognizable architectural masterpieces in the world. Beyond its stunning design, it has also become a powerful brand symbol. This poll tests your knowledge about how this architectural marvel has been leveraged in product innovation and branding throughout its history. Can you identify the correct fact about this iconic structure's commercial journey?

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Zaha Hadid's parametric furniture collection that uses the same mathematical principles as the Opera House shells
Eero Saarinen's TWA Flight Center, which borrowed the sail-like concrete shell concept
The Knoll 'Sydney' chair by Harry Bertoia that mimics the intersecting shell segments in its framework
Utzon's own prefabricated housing system called the Espansiva, which applied the same modular shell construction techniques