Joseph is right, it is not good to duplicate thread (so destroy the second), you can add some new description in order to give more informations. So the thread will “go up” in the list and be visible to people. Many people read this thread (111 views), there was 5 upload of your script …
Your problem is simple or very complex. Can you define Uniform? If you want to put same tile size, it will not be possible to have the same number of tiles on each turn … It is surely not easy for a carpenter to tile a non planar roof, it is the same here.
Try to put a little sketch and a better description. You can also read that.