<svg width="100" height="100">
<circle cx="50" cy="50" r="40" stroke="green" stroke-width="4" fill="#d4c8a1" />
</svg>
...balance the path...
<svg height="210" width="500">
<polyline points="20,20 40,25 60,40 80,120 120,140 200,180"
style="fill:none;stroke:black;stroke-width:3" />
</svg>
...intersect the points...