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Joel24014355mpbg
Participant
December 1, 2023
Question

Illustrator adding weird lines on shapes

  • December 1, 2023
  • 2 replies
  • 299 views

In this screenshot I have two squares the exact same size perfectly ontop of eachother yet there is a weird outline of the bottom shape even though both have no outline. While I'm just using this as a way to show the issue these outlines seem to show constantly. The lines do not export, but make doing work difficult. How can I fix this?

 

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    2 replies

    Ton Frederiks
    Community Expert
    Ton FrederiksCommunity Expert
    Community Expert
    December 1, 2023

    That is caused by anti-aliasing.

    If you turn off "Anti-aliased Artwork" in the Preferences and switch to View > View using CPU it will go away.

    But the preview becomes slower...

    J
    Joel24014355mpbgAuthor
    Participant
    December 3, 2023

    Switched to CPU still there. 

     

    B
    Community Expert
    Bobby HendersonCommunity Expert
    Community Expert
    December 3, 2023

    I wonder if the size of the squares and their position on the artboard could have something to do with the problem. I'm thinking the raster effects resolution setting could be a factor. If the squares aren't lining up perfectly with that imaginary grid it could be a reason why those glitches are appearing on screen. 

    J
    Joel24014355mpbgAuthor
    Participant
    December 1, 2023

    For reference there is a blue square with a white square on top. Both are the exact same size on the exact same spot. Outlines change depending on zoom.

     

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