White lines in Pattern on Adobe Illustrator

Community Beginner ,
Feb 11, 2021 Feb 11, 2021

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I've read through a few threads here about white lines in Adobe Illustrator. However, I haven't found any solutions to my particular situation. I created a pattern in Illustrator and there are no visible white lines when I have the file open in the application. Once I export the file to either PNG or JPEG to post to social media, the white lines appear. Does anyone have any helpful hints for this? I'm including a screenshot of my pattern in AI (no visible white lines) and my exported file (visible white lines). Thank you in advance. 

 

defaultifosw78ab2g9_0-1613078231915.pngdefaultifosw78ab2g9_1-1613078251852.png

 

TOPICS
Bug, Draw and design, How to, Import and export

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Adobe Community Professional , Feb 11, 2021 Feb 11, 2021
They're there but only in the oranges in the second image(vertical line). Definitely an anti-aliasing problem but shouldn't show when printing.

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Adobe Community Professional ,
Feb 11, 2021 Feb 11, 2021

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k80bug,

 

When I look at those two I see no visible white lines in either, same when Clicking and seeing full size (1920 x 1200 EIZO monitor).

 

Are you ensuring whole integer numbers for both sizes and positions?

 

 

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Adobe Community Professional ,
Feb 11, 2021 Feb 11, 2021

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They're there but only in the oranges in the second image(vertical line). Definitely an anti-aliasing problem but shouldn't show when printing.

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Adobe Community Professional ,
Feb 12, 2021 Feb 12, 2021

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Right you are, Larry, one in the middle.

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Adobe Community Professional ,
Feb 11, 2021 Feb 11, 2021

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Did you modify the default export settings to use Art Optimized for anti aliasing?

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