# What architectural innovations did the Flatiron Building introduce?

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## Quick answer

Steel framing and triangular design

## Detailed answer

The Flatiron Building introduced several architectural innovations, including the use of steel framing and a triangular design. The building's steel frame allowed for the creation of a strong and durable structure that could support the weight of the building's 22 stories, and it helped to establish the skyscraper as a viable and desirable form of urban development. The building's triangular design was also innovative, as it allowed for the creation of a unique and efficient floor plan that maximized the use of the building's irregularly-shaped lot.

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