Does PSE have a canvas resize option (image > canvas resize)? The easiest way to do this is to just resize your canvas (vs the image) to 12x12 after you open the template. Or if you want to maintain the same height, change the canvas width to 9.25 and then resize to 12x12. It's preferable to do it before you've added your elements, since enlarging does degrade the quality, but it's probably not super noticeable.
Last edited by SeattleSheri; 03-29-2020 at 04:19 PM.
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