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So here i expanded this corner which initially was round but then when i used expand or outline illustrator doesn't keep the original form. the stroke is 0.5px thick and the artboard is 52*52.

  • Align to pixel grid?
    – Scott
    Dec 26, 2020 at 19:25
  • I don't understand ? Dec 26, 2020 at 20:12
  • Do you have Align to Pixel Grid enabled?
    – Scott
    Dec 26, 2020 at 20:14
  • No, i don't. the problem disappears with values greater than 0.3px with the round corner option Dec 26, 2020 at 20:23

1 Answer 1


The artboard was 52*52px , the thickness of the path was 0.5px, and the corners 0.1px, turns out at this small scale when expanding strokes, illustrator doesn't create a precise expanded shape i tried 0.3px+ and it worked well.

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