File:Fibonacci Spiral 34.svg
This version depends upon SVG 1.2 and doesn't render pretty in rsvg yet (00:25, 23 April 2013 (UTC)).
<?xml version="1.0"?>
<svg version="1.2" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
fill="none" stroke="#000" stroke-linecap="square" viewBox="-.01 -.01 1.64 1.02">
<g id="l0">
<path d="M -1,0 A 1,1 0 0 1 0,-1" transform="translate(1,1)" vector-effect="non-scaling-stroke" stroke-width="5"/>
<rect width="1" height="1" vector-effect="non-scaling-stroke" stroke-width="2.5"/>
</g>
<use id="l1" xlink:href="#l0" transform="rotate(90 1 1) translate(0,.382) scale(.618)"/>
<use id="l2" xlink:href="#l1" transform="rotate(90 1 1) translate(0,.382) scale(.618)"/>
<use id="l3" xlink:href="#l2" transform="rotate(90 1 1) translate(0,.382) scale(.618)"/>
<use id="l4" xlink:href="#l3" transform="rotate(90 1 1) translate(0,.382) scale(.618)"/>
<use id="l5" xlink:href="#l4" transform="rotate(90 1 1) translate(0,.382) scale(.618)"/>
<use id="l6" xlink:href="#l5" transform="rotate(90 1 1) translate(0,.382) scale(.618)"/>
<use xlink:href="#l6" transform="rotate(90 1 1) translate(0,.382) scale(.618)"/>
</svg>