This is such a fantastic post on how Apple sweats certain almost unnoticeable design details. I picked up a whole bunch of nuggets reading this article: …iPhone X rounded screen corners don’t use the classic rounding method where you move in a straight line and then arc using a single quadrant of a circle. Instead, the math is a bit more complicated. Commonly called a squircle, the slope starts sooner, but is more gentle. Here’ the wikipedia link to the mathematical shape Squircle. The ...
