If you mean one more grid as in you would either make the 2x2 a 2x3 or the 2x3 a 2x4, then yes, I think thats a good idea. I'm guessing that you have 2 boys, correct? Because of them being males, the minamun of 2x3 for 2 pigs is a big small, so more space would be better, but I am very happy...