godot/editor/icons/OccluderPolygon2D.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#8da5f3" d="m1 9 6 6h8V7L9 1H1z"/><path fill-opacity=".235" d="m9 1 6 6v8H7L1 9h8L6 5z"/></svg>