block-fill

<svg fill="currentColor" xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 -960 960 960"><path d="M324-111.5Q251-143 197-197t-85.5-127Q80-397 80-480t31.5-156Q143-709 197-763t127-85.5Q397-880 480-880t156 31.5Q709-817 763-763t85.5 127Q880-563 880-480t-31.5 156Q817-251 763-197t-127 85.5Q563-80 480-80t-156-31.5ZM699-220q11-9 21.5-18.86Q731-248.73 740-260L260-740q-11.27 9-21.14 19.5Q229-710 220-699l479 479Z"/></svg>

<i class="ti ti-block-fill"></i>

ti ti-block-fill

<i class="ti ti-033287"></i>

ti ti-033287

<svg aria-hidden="true" focusable="false" fill="currentColor" xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 -960 960 960"><path d="M324-111.5Q251-143 197-197t-85.5-127Q80-397 80-480t31.5-156Q143-709 197-763t127-85.5Q397-880 480-880t156 31.5Q709-817 763-763t85.5 127Q880-563 880-480t-31.5 156Q817-251 763-197t-127 85.5Q563-80 480-80t-156-31.5ZM699-220q11-9 21.5-18.86Q731-248.73 740-260L260-740q-11.27 9-21.14 19.5Q229-710 220-699l479 479Z"/></svg>

<svg aria-hidden="true" focusable="false" fill="currentColor" xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 -960 960 960"><path d="M324-111.5Q251-143 197-197t-85.5-127Q80-397 80-480t31.5-156Q143-709 197-763t127-85.5Q397-880 480-880t156 31.5Q709-817 763-763t85.5 127Q880-563 880-480t-31.5 156Q817-251 763-197t-127 85.5Q563-80 480-80t-156-31.5ZM699-220q11-9 21.5-18.86Q731-248.73 740-260L260-740q-11.27 9-21.14 19.5Q229-710 220-699l479 479Z"/></svg>

https://cdn.jsdelivr.net/npm/@ticnob/icons@1/icons/block-fill.svg