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White lines in pattern

Forum|Forum|8 years ago
March 9, 2018
2 replies
5010 views

I'm getting white lines when making a pattern. I'm using whole pixel units for the height/width, as advised in other threads. The image has no background. Any suggestions?

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Correct answer Ton Frederiks

At what resolution do you export or import the pattern?

Resolutions other than a multiple of 72 can also cause anti aliasing.

So 150 and 300 ppi can be problematic, but 72, 144 and 288 should be good.

If that fails, try to use Object > Rasterize in Illustrator.

Ton Frederiks

Correct answer

Community Expert

At what resolution do you export or import the pattern?

Resolutions other than a multiple of 72 can also cause anti aliasing.

So 150 and 300 ppi can be problematic, but 72, 144 and 288 should be good.

If that fails, try to use Object > Rasterize in Illustrator.

F23158784Author

Participating Frequently

Thank you!! Exporting as a PSD at 288 ppi worked! I was previously exporting at 300.

Ton Frederiks

Community Expert

Good to hear that worked.

Monika Gause

Community Expert

That just happens in patterns. It's an anti-aliasing issue usually only in screen display.

But can appear in certain printers as well and can appear when using the pattern in raster images.

What exactly do you want to do with this?

How will it be printed or exported?

That will determine what to do about this.

F23158784Author

Participating Frequently

I'm saving it as an .ai file, and importing to Photoshop. I've also tried saving as a .psd, and importing, but the lines show up either way.

Monika Gause

Community Expert

When exporting to PSD try and select the antialiasing method "Supersampling"

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