border-outer-4

<svg viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" clip-rule="evenodd" d="M1 1h13v13H1V1zm1 1v11h11V2H2zm6 3H7V4h1v1zM5 8H4V7h1v1zm3 0H7V7h1v1zm3 0h-1V7h1v1zm-3 3H7v-1h1v1z" fill="currentColor"/></svg>

<i class="ti ti-border-outer-4"></i>

ti ti-border-outer-4

<i class="ti ti-031438"></i>

ti ti-031438

<svg aria-hidden="true" focusable="false" viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" clip-rule="evenodd" d="M1 1h13v13H1V1zm1 1v11h11V2H2zm6 3H7V4h1v1zM5 8H4V7h1v1zm3 0H7V7h1v1zm3 0h-1V7h1v1zm-3 3H7v-1h1v1z" fill="currentColor"/></svg>

<svg aria-hidden="true" focusable="false" viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" clip-rule="evenodd" d="M1 1h13v13H1V1zm1 1v11h11V2H2zm6 3H7V4h1v1zM5 8H4V7h1v1zm3 0H7V7h1v1zm3 0h-1V7h1v1zm-3 3H7v-1h1v1z" fill="currentColor"/></svg>

https://cdn.jsdelivr.net/npm/@ticnob/icons@1/icons/border-outer-4.svg