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.

Unveiling the Mystics of Sacred Geometry – Fractal Enlightenment

matthen: “ Another interesting property of the logarithmic spiral is revealed if you roll it along a horizontal line. This animation shows the curves traced by points on the spiral, and note that the.

A logarithmic spiral defined by successive terms in teh Fibonacci sequence, from http://letsgetvisualvisual.wordpress.com/2012/02/21/1-618/