Thou shalt make it square: it shall be double; of a span the length of it, and of a span the breadth.
WEB
Exodus 28:16
It shall be square and folded double; a span shall be its length, and a span its width.
Parallel Translations
You shall make it square: it shall be double; of a span the length of it, and of a span the breadth.
Foursquare it shall be being doubled; a span shall be the length thereof, and a span shall be the breadth thereof.