simple-icons/icons/flattr.svg

<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Flattr</title><path d="M1.906 12C1.906 6.432 6.432 1.906 12 1.906c.048 0 4.003 0 5.455.002L14.53 4.834l1.344 1.344L21.903 0H12C5.373 0 0 5.373 0 12v9.331l1.91-1.759v-.096c-.002-.244-.004-7.404-.004-7.476zM24 2.668l-1.91 1.76v.096L22.093 12c0 5.568-4.528 10.094-10.093 10.094-.048 0-4.003 0-5.455-.002l2.925-2.926-1.344-1.344L2.097 24H12c6.627 0 12-5.373 12-12V2.668z"/></svg>