This would be a great use case for an GUI as to determine the values isn’t straight forward (at least at first glance). Check out this online calculator and article to do just that. I also just realized borders are limited to pixel (no percentage) in Hype. Using a class in my example.
Download example of this technic in Hype.
FancyBorder.hype.zip (304,0 KB)
via collective 459