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I am having issues with objects overlapping.

If I create a red rectangle in Illustrator, then copy it, and paste it directly on top of itself and change it to white, I get a red outline, even though the object is supposed to cover the other object behind.

Why is that? It's driving me nuts, please someone help me out :)

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marked as duplicate by Scott, Gramps, ckpepper02, Random O'Reilly, TunaMaxx Jan 16 at 18:26

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My guess is that you see the red outline because the zoom level in relation to the shapes sizes doesn't match up, and therefore you get a "ghost boarder" of the underlying shape. If you press Command + 1 (Ctrl + 1 on Windows) which zooms you to actual size of the document then the boarder should not be visible (As long as the shapes you have are of the EXACT same size).

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