Originally Posted by Chevymon
I agree that its easier to cut, but when welding it can make it more difficult in the corners because of heat build up causing more distortion.
The corners should be slightly rounded. Forgot to state that but i thought it was kinda obvious. There shouldn't be any distortion if it's welded correctly. Just put a sport weld every inch or two to start. Make sure the heat is appropriate for the metal too.