bootstrap-icons/icons/sticky.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-sticky" viewBox="0 0 16 16">
  <path d="M2.5 1A1.5 1.5 0 0 0 1 2.5v11A1.5 1.5 0 0 0 2.5 15h6.086a1.5 1.5 0 0 0 1.06-.44l4.915-4.914A1.5 1.5 0 0 0 15 8.586V2.5A1.5 1.5 0 0 0 13.5 1zM2 2.5a.5.5 0 0 1 .5-.5h11a.5.5 0 0 1 .5.5V8H9.5A1.5 1.5 0 0 0 8 9.5V14H2.5a.5.5 0 0 1-.5-.5zm7 11.293V9.5a.5.5 0 0 1 .5-.5h4.293z"/>
</svg>