Repeat the procedure for another horizontal or vertical Guide (you can also do more guides to specify width and height)Īlternatively, you can also create the guides dragging from the rulers:.Specify if you want and horizontal or vertical guide.Anyway, the best (correct) approach is with guides: It is simply not the appropriate way of aligning elements when you are designing, though I recognize that sometimes it is useful as a short-cut. I am afraid that Gimp doesn't include it because it is tedious.