Answer
According to these tips and Sketch’s Twitter you’re taking the right approach.
I’m sure I’ve accomplished this in the past though perhaps for my purposes I didn’t have your same attention to detail, that’s clearly not a circle though so I can see your frustration!
Failing the way it’s supposed to work, a work around could be to make a pattern – not the best solution but an alternative until you figure out the issue.
Attribution
Source : Link , Question Author : CrazyQwert , Answer Author : Jenna