godot/editor/icons/Marker3D.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#fc7f7f" d="m7 1v4h2v-4zm-6 6v2h4v-2zm10 0v2h4v-2zm-4 4v4h2v-4z"/></svg>