md brightness 3

const MdBrightness3Icon = (props) => (
  <svg 
    xmlns="http://www.w3.org/2000/svg" 
    viewBox="0 0 24 24" 
    width="24"
    height="24"
    fill="none" 
    stroke="currentColor" 
    strokeWidth="2" 
    strokeLinecap="round" 
    strokeLinejoin="round" 
    {...props}
  >
    <path d="M0 0h24v24H0V0z" fill="none"/><path d="M12.7 4.91C15.25 6.24 17 8.92 17 12s-1.75 5.76-4.3 7.09c1.46-2 2.3-4.46 2.3-7.09s-.84-5.09-2.3-7.09M9 2c-1.05 0-2.05.16-3 .46 4.06 1.27 7 5.06 7 9.54s-2.94 8.27-7 9.54c.95.3 1.95.46 3 .46 5.52 0 10-4.48 10-10S14.52 2 9 2z"/>
  </svg>
);