Too Long; Didn't Read
If you haven’t been immersed in <a href="https://hackernoon.com/tagged/ios" target="_blank">iOS</a> interface <a href="https://hackernoon.com/tagged/design" target="_blank">design</a>, you might look at Apple’s icons and think that they’re just a rounded square or a ‘roundrect’. If you’ve been designing icons, you know that they’re something different and may have heard the word <a href="https://applypixels.com/the-hunt-for-the-squircle/" target="_blank">squircle</a> used (mathematical intermediate of a square and a circle). And if you’re an Industrial Designer, you recognize this as a core signature of their hardware products.