You jest, but yes, the literal square does indeed have tight tolerances. If the tolerances were not tight, the small differences would add up over course of successive block connections and bricks would eventually cease to line up closely enough to fit together properly.
You jest, but yes, the literal square does indeed have tight tolerances. If the tolerances were not tight, the small differences would add up over course of successive block connections and bricks would eventually cease to line up closely enough to fit together properly.