Originally Posted by mmk
While it will make for an interesting experiment, from my understanding it would not be legal for USTA play, as the string density in the center of the frame has the same as or higher than at the outer edges which your pattern isn't.
Sorry to say most USTA players have no clue about equipement or strings. You could make it to the Nationals before anyone might notice. They are all looking for foot faults or planning their next season best "sandbaging" team to win a 3.0 league.