This seems like a bizarre question to have to ask - why are my grid lines not perfectly horizontal and vertical?

grid lines

  • 1
    Is your monitor level? Apr 5, 2018 at 13:42
  • @mayersdesignm in the image you can see that it's rotated. (Not the monitor)
    – Welz
    Apr 5, 2018 at 16:15
  • @WELZ I think it was a joke (I hope it was)
    – Luciano
    Apr 6, 2018 at 9:05

1 Answer 1


Ah... It was this - the whole canvas got tilted somehow.


To correct the rotation...

  • Select the Rotate View Tool (enter image description here)
  • then click the Reset View button (enter image description here) on the Control Bar across the top of the screen.

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