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I applied a gaussian blur to the shape on the left and when I try to downsize it to 24 px wide, the gaussian blur creates a "circle" around it (as shown on the shape on the right) rather than just the outline of the shape. How do I prevent that from happening?

Thanks in advance.

  • 2
    You have scale effects on? – joojaa Dec 5 '16 at 14:12
  • 2
    Yeah I do; and it didn't work. But I just decided to do it mathematically and manually to figure out what it would be when I scaled it since I can't find an easier way to do it. I just took the width and height of the original and width and height of the desired size and found the percentage it took to decrease it. Then took the percentage and multiplied that by the value amount of the gaussian blur of the original and divided it by 100. It's the long and tedious way of doing it and I probably made no sense to you but it works. If showed you on paper it'd make sense! – Bekah Dec 5 '16 at 15:20
  • The gaussian works like that. Anyway check that the gaussian is actually part of the thing you scale. So for example gaussian applied to layer is not affected by change of object. Similarily selecting components (with white arrow) does not select the appearance so can not scale. – joojaa Dec 5 '16 at 15:32
  • If all else fails, making the graphic into a symbol and resizing the symbol should work. – Joonas Dec 10 '18 at 21:49

Depending on how you're using your object, the only way I've been able to have my blurs stay when resizing is a cheat way.

What I did was save my blurred object as it's own PDF, then place that PDF within the Illustrator file I'm working in. You can then resize that object to any size and it'll keep your effects, strokes, etc., that didn't scale before intact. The downsize is it's not editable directly unless you open that PDF and edit it separately.


What you can do (keeping in mind that it's a destructive solution though) is to expand the layer with the gaussian blur (in this case the white one) so it will keep it's exact appearance.

  • It will not be that exact. Rasterised effect scaling can lead to destruction of the smoothness of the gradients. Bad idea. – mrserge Mar 14 '18 at 6:02

Just save the image with the blur as a seperate ai file. Then drag that file back into the illustrator file you're working in as a linked image then you can scale it up and down without effecting the blur. You can also re-edit the file by clicking on 'edit original' in the links palette.

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