The Square Lozenge symbol (⌑). Copy and paste it, or use its Unicode, HTML, and CSS codes.
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The quickest way is to copy ⌑ from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
⌑ is U+2311 (decimal 8977).
Use ⌑ in HTML to render ⌑ on a web page.
On Windows you can type it with Alt+8977 (hold Alt and enter the number on the numeric keypad).
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