Why can't only the core find the boundary?
I would like to be able to create a boundary in a visible state.
This is a problem that occurs during Export, which was asked before, and it seems that it is really difficult to specify the border line because you are trying to use Fill.
![LeeJaeYoung_0-1685288573997.png LeeJaeYoung_0-1685288573997.png](/t5/image/serverpage/image-id/38323i4EBD88CCEA956B6F/image-size/medium?v=v2&px=400)
AC27 on window 11