Fibonacci Spiral - Golden Spiral Logarithmic spiral whose growth factor is φ, the golden ratio - gets wider (or further from its origin) by a factor of φ for every quarter turn it makes.

Art mimics nature ~ The Golden Ratio is a beautifully simple piece of mathematical theory that can help make your designs feel well proportioned and pleasing on the eye. We explain how to use it.

ПРостота Hokusai Meets Fibonacci, Golden Ratio by Ars Brevis

Combined a fibonacci with a fermat spiral - Imgur More