The center is also wrapped and accurately leveled. Since the edges of the plates get cold with time, prints made at the edges are usually warped. To avoid this you should place the printing parts at the center of the build plate.
Install pads If you have been using 3D printers, you must know that warping is one of the major problems with 3D printing. When you are able to prevent it, you will greatly improve the quality of your prints. One of the ways of combating warping is adding little pads on the areas where warping occurs.