<li>Illustrator can help you select all lines of a particular type so that you can edit their color or opacity together. Click the line,
then go to <b>Select>Same>Appearance</b> to select all similar lines in the pattern.
<li>To turn lines and polygons into path objects, select the geometry then right click and select <b>Make Compound Path</b>.</li>
<li>Finally hit <b>Save As</b> and select <b>.svg</b> extension. I'm using the default SVG Tiny 1.1 settings, but I believe versions 1.0 and 1.1 will work.</li>
<li>Finally hit <b>Save As</b> and select <b>.svg</b> extension. I'm using the default SVG 1.1 settings, but version 1.0 will work as well.</li>