godot/editor/icons/MirrorY.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="none" stroke="#e0e0e0" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 4 8 2 6 4m2-2v11m2-1-2 2-2-2"/></svg>