quill/assets/icons/size.svg

<svg viewbox="0 0 18 18">
  <polyline class="ql-stroke" points="3.5 14 7 4 10.5 14"></polyline>
  <line class="ql-stroke" x1="9.45" x2="4.55" y1="11" y2="11"></line>
  <path class="ql-fill" d="M12.09,7.55l1.7-1.473a0.337,0.337,0,0,1,.429,0l1.7,1.473A0.261,0.261,0,0,1,15.7,8H12.3A0.261,0.261,0,0,1,12.09,7.55Z"></path>
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</svg>