And the city lies foursquare, and the length is as large as the breadth: and he measured the city with the reed, twelve thousand furlongs. The length and the breadth and the height of it are equal.
All Commentaries on Revelation 21:16 Go To Revelation 21
Shepherd of Hermas
AD 150
"She said to me, "Lo! do you not see opposite to you a great tower, built upon the waters, of splendid square stones? "For the tower was built square