md splitscreen

const MdSplitscreenIcon = (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}
  >
    <g><path d="M0,0h24v24H0V0z" fill="none"/></g><g><g><path d="M18,4v5H6V4H18 M18,2H6C4.9,2,4,2.9,4,4v5c0,1.1,0.9,2,2,2h12c1.1,0,2-0.9,2-2V4C20,2.9,19.1,2,18,2z M18,15v5H6v-5H18 M18,13H6c-1.1,0-2,0.9-2,2v5c0,1.1,0.9,2,2,2h12c1.1,0,2-0.9,2-2v-5C20,13.9,19.1,13,18,13z"/></g></g>
  </svg>
);