merge-cells-vertical

<svg viewBox="0 0 24 24" fill="currentColor" xmlns="http://www.w3.org/2000/svg"><path d="M21 20C21 20.5523 20.5523 21 20 21H4C3.44772 21 3 20.5523 3 20V4C3 3.44772 3.44772 3 4 3H20C20.5523 3 21 3.44772 21 4V20ZM19 11V5H13.001V7H15L12 10L9 7H11V5H5V11H7V13H5V19H11V17H9L12 14L15 17H13.001V19H19V13H17V11H19ZM11 13H9V11H11V13ZM15 13H13V11H15V13Z"/></svg>

<i class="ti ti-merge-cells-vertical"></i>

ti ti-merge-cells-vertical

<i class="ti ti-016652"></i>

ti ti-016652

<svg aria-hidden="true" focusable="false" viewBox="0 0 24 24" fill="currentColor" xmlns="http://www.w3.org/2000/svg"><path d="M21 20C21 20.5523 20.5523 21 20 21H4C3.44772 21 3 20.5523 3 20V4C3 3.44772 3.44772 3 4 3H20C20.5523 3 21 3.44772 21 4V20ZM19 11V5H13.001V7H15L12 10L9 7H11V5H5V11H7V13H5V19H11V17H9L12 14L15 17H13.001V19H19V13H17V11H19ZM11 13H9V11H11V13ZM15 13H13V11H15V13Z"/></svg>

<svg aria-hidden="true" focusable="false" viewBox="0 0 24 24" fill="currentColor" xmlns="http://www.w3.org/2000/svg"><path d="M21 20C21 20.5523 20.5523 21 20 21H4C3.44772 21 3 20.5523 3 20V4C3 3.44772 3.44772 3 4 3H20C20.5523 3 21 3.44772 21 4V20ZM19 11V5H13.001V7H15L12 10L9 7H11V5H5V11H7V13H5V19H11V17H9L12 14L15 17H13.001V19H19V13H17V11H19ZM11 13H9V11H11V13ZM15 13H13V11H15V13Z"/></svg>

https://cdn.jsdelivr.net/npm/@ticnob/icons@1/icons/merge-cells-vertical.svg