This is an example of a LO of mine where the letters are not centered. If you look, you can see that for the word "grandma" at the top, I have more room on the right hand side. I put some buttons there, diagonally, and I balanced it on the other side with the butterfly placed at an angle. I don't think it's noticeable that my letters are not perfectly centered.
Hope that helps. Like I said, you will learn how to cover your boo-boos.
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grandma and the outcast hat By Jaspernonyx