Sagrada Familia: the structure sometimes misunderstood

Incomplete but already a UNESCO World Heritage Site, Gaudí’s Sagrada Família towers over the city of Barcelona. Over a century in the making, the cathedral is expected to finish in the next 10-20 years.

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The cathedral’s nave has a unique and breathtaking roof geometry accompanied by rows of treelike columns.
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A spectacular amount of light filters into the nave from above.

In the form finding world, we’re often familiar with Frei Otto and Heinz Isler’s hanging methods, in which inverting a hanging model in pure tension informed the designer of the structure’s final form, which takes pure compression. While Gaudí is also known for making hanging models, a common misconception is that he embraced his hanging models as a way of determining the shape of his structures.

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