Let's say I have a shape that I rotated at an awkward angle of let's say 34°. I close the document, return a few hours later, and want to straighten the it back to its original 90° or 0° angle. The problem is I don't remember the angle I originally rotated it at. Shift + Rotating nor resetting its bounding box does the trick. Any shortcuts/options I'm overlooking here? For example how would I rotate this quadrilateral so that it sits horizontally straight and looks like a box.

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2 Answers 2


Using smart-guides, it's pretty easy to make a new guide and align your edges to them. Set the center of rotation to intersect the lowest desired edge and a guide, then rotate until both are collateral.

enter image description here


You can also get a free plugin from Astute Graphics for just this very situation - http://www.astutegraphics.com/software/subscribe/. As simple as selecting the points on the edge you want to be horizontal, holding shift to constrain the angle and dragging.

  • Please disclose your affiliation (if any) with the linked product. Commented Feb 14, 2014 at 14:25
  • No affiliation whatsoever, I just use it on a regular basis and would recommend it to any Illustrator user. Commented Feb 14, 2014 at 14:30
  • Cool. It's not a problem to be affiliated, but on stackexchange it's a good habit to fully disclose any affiliation or just state that you're a happy user. Commented Feb 14, 2014 at 14:46
  • No problem, I'll bear that in mind. Commented Feb 14, 2014 at 14:48
  • 1
    its not FREE when you can only download it if you pay £129 a year subscription Commented Mar 26, 2023 at 10:28

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