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| Da Vinci designed a domed cathedral with three hierarchical levels of surrounding domes. | |||
| Click each picture for an enlargement in a new window. | |||
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| Another of da Vinci's designs is a domed octogonal cathedral, surrounded by eight smaller domes, each of which is again surrounded by eight still smaller domes. | |||
| Click each picture for an enlargement in a new window. | |||
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| Why did Leonardo propose fractal designs? Perhaps because his careful drawings of flowers and water vortices made him aware of repetition across scales in nature. |