<shape name="percent">
    <big-circle at="top left">
    <big-circle at="bottom right">
    <line from="bottom left" to="top right">
</shape>

<shape name="abstract1">
    <polygon hatched>
        <line from="bottom left" to="left">
        <curve down from="left" to="top">
        <line points="top, right, bottom">
    </polygon>
</shape>
