tabler-icons/icons/square-rounded-letter-o.svg

<svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-square-rounded-letter-o" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
  <path stroke="none" d="M0 0h24v24H0z" fill="none"/>
  <path d="M12 8a2 2 0 0 1 2 2v4a2 2 0 1 1 -4 0v-4a2 2 0 0 1 2 -2z" />
  <path d="M12 3c7.2 0 9 1.8 9 9s-1.8 9 -9 9s-9 -1.8 -9 -9s1.8 -9 9 -9z" />
</svg>