I have been having trouble with border end caps not wanting to round up properly. I can't seem to find much about this issue, so I wonder if I'm just doing something wrong.

I start out with a normal shape, for example a rounded rectangle. I hide the fill and give it a border of 6px. I then use the scissors to cut something out and set the end cap to rounded.

As you can see, some shapes will round and others won't. Why? Is it the rounded shapes of 2 and 3? Is this a bug and is there a workaround?

enter image description here

What the path looks like: enter image description here

And the shape is just about as basic as can be. No clipping or anything: enter image description here

  • 1
    Is it possible that some of those strokes aren't actually strokes, rather they are shapes? (like illustrator's outline stroke feature)
    – Welz
    Jan 24, 2018 at 13:06
  • @WELZ they are all made in the same way, shape > hide fill > show border. Only difference is that 2 and 3 were made using an oval and 1 and 4 were made using a rounded rectangle.
    – Summer
    Jan 24, 2018 at 13:18
  • I tried to replicate the issue (in Illustrator - as that's what I have) trying all the possible causes that I could think of, however I was unsuccessful at recreating the problem, it may just be a sketch flaw.
    – Welz
    Jan 26, 2018 at 13:41
  • can you show us what the paths look like? meaning if you double-click them as if to edit the vectors?
    – spiral
    Jan 26, 2018 at 15:06
  • 1
    Could it have something to do with you strokes being aligned to outside?
    – Welz
    Jan 26, 2018 at 16:05

2 Answers 2


You have to set your border position to center at the begining of the editing (later it will not be possible) : set border to center

You can also add a new border - it will automatically be set to "Center" and won't cause any issue.

  • I tried it and that's the answer. If the border position is set as anything other than Center it will cause the issues described in the question, and it's not possible to change that after using the Scissors tool.
    – Luciano
    Jul 4, 2018 at 13:58

I faced the same problem. Solved it by clicking the small slice icon in the "Presets" menu. Then you can enlarge the area thats been exported, i.e. add a padding to your image so that the border isn't cut out.

Sketch 55.2 export detail

Happy editing!

  • 1
    That's not what's being asked
    – Luciano
    Jul 11, 2019 at 11:40

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