What were the main structural features of art deco architecture?

1. Geometric shapes: Art Deco architecture employed a lot of geometric shapes and patterns, such as zigzags, chevrons, and diamond shapes.

2. Streamlined forms: Art Deco buildings were often designed with sleek, streamlined forms. This was a departure from the ornate and decorative styles that came before it.

3. Materials: Art Deco architects favored modern and industrial materials, such as concrete, steel, and glass.

4. Decorative motifs: Despite its minimalism, Art Deco architecture also utilized decorative motifs, such as sunbursts, floral patterns, and stylized foliage.

5. Vertical emphasis: Many Art Deco buildings emphasized their verticality with tower-like features, spires, or other elements reaching skyward.

6. Use of color: Bold and contrasting colors were frequently used in Art Deco architecture, often applied in bold stripes, bands or chevrons.

7. Dramatic lighting: Nighttime lighting played a significant role in Art Deco architecture with the use of vertical light features, illuminated borders or sconces as well as light-colored facades and corners.

8. Sunbursts and stepped forms: The use of sunbursts and stepped forms was another characteristic feature of Art Deco architecture, often emphasized through the use of contrasting materials or textures.

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