just to clarify - 12" x 12" (dimensions of the artwork) will result in a mat opening of 11.5" x 11.5" because the mat has to overlap the print by 1/4" on each s

just to clarify - 12" x 12" (dimensions of the artwork) will result in a mat opening of 11.5" x 11.5" because the mat has to overlap the print by 1/4" on each side to hold it in place. Trying to make this element as clear as possible, all of this feedback very useful.