pi

<svg
  xmlns="http://www.w3.org/2000/svg"
  width="24"
  height="24"
  viewBox="0 0 24 24"
  fill="none"
  stroke="currentColor"
  stroke-width="2"
  stroke-linecap="round"
  stroke-linejoin="round"
><line x1="9" x2="9" y1="4" y2="20" /><path d="M4 7c0-1.7 1.3-3 3-3h13" /><path d="M18 20c-1.7 0-3-1.3-3-3V4" /></svg>

<i class="ti ti-pi"></i>

ti ti-pi

<i class="ti ti-019490"></i>

ti ti-019490

<svg
  xmlns="http://www.w3.org/2000/svg"
  width="24"
  height="24"
  viewBox="0 0 24 24"
  fill="none"
  stroke="currentColor"
  stroke-width="2"
  stroke-linecap="round"
  stroke-linejoin="round"
><line x1="9" x2="9" y1="4" y2="20" /><path d="M4 7c0-1.7 1.3-3 3-3h13" /><path d="M18 20c-1.7 0-3-1.3-3-3V4" /></svg>

<svg
  xmlns="http://www.w3.org/2000/svg"
  width="24"
  height="24"
  viewBox="0 0 24 24"
  fill="none"
  stroke="currentColor"
  stroke-width="2"
  stroke-linecap="round"
  stroke-linejoin="round"
><line x1="9" x2="9" y1="4" y2="20" /><path d="M4 7c0-1.7 1.3-3 3-3h13" /><path d="M18 20c-1.7 0-3-1.3-3-3V4" /></svg>

https://cdn.jsdelivr.net/npm/@ticnob/icons@1/icons/pi.svg