border-all

<svg fill="currentColor" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M384 96l0 128-128 0 0-128 128 0zm0 192l0 128-128 0 0-128 128 0zM192 224l-128 0 0-128 128 0 0 128zM64 288l128 0 0 128-128 0 0-128zM64 32C28.7 32 0 60.7 0 96L0 416c0 35.3 28.7 64 64 64l320 0c35.3 0 64-28.7 64-64l0-320c0-35.3-28.7-64-64-64L64 32z"/></svg>

<i class="ti ti-border-all"></i>

ti ti-border-all

<i class="ti ti-003556"></i>

ti ti-003556

<svg aria-hidden="true" focusable="false" fill="currentColor" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M384 96l0 128-128 0 0-128 128 0zm0 192l0 128-128 0 0-128 128 0zM192 224l-128 0 0-128 128 0 0 128zM64 288l128 0 0 128-128 0 0-128zM64 32C28.7 32 0 60.7 0 96L0 416c0 35.3 28.7 64 64 64l320 0c35.3 0 64-28.7 64-64l0-320c0-35.3-28.7-64-64-64L64 32z"/></svg>

<svg aria-hidden="true" focusable="false" fill="currentColor" viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M384 96l0 128-128 0 0-128 128 0zm0 192l0 128-128 0 0-128 128 0zM192 224l-128 0 0-128 128 0 0 128zM64 288l128 0 0 128-128 0 0-128zM64 32C28.7 32 0 60.7 0 96L0 416c0 35.3 28.7 64 64 64l320 0c35.3 0 64-28.7 64-64l0-320c0-35.3-28.7-64-64-64L64 32z"/></svg>

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