When and why should we choose rounded corners over smooth corners?

Rounded corners are more effective for maps and diagrams because they allow our eyes to easily follow lines “as it suits better to the natural movement of the head and eyes respectively” [5]. Sharp corners throw your eyes off the path of the line so you end up experiencing abrupt pauses when the line changes direction.

1. Why are rounded edges safer?
2. Why do we round corners UX design?
3. Why does Apple use rounded corners?
4. Are rounded drywall corners better?

Why are rounded edges safer?

Safety. Rounded corners are psychologically associated with a sense of safety, approachability and friendliness. Curves are smooth and there is no risk of injury and no threat with this contour. Again, even if it's just on your device screen, your brain is more connected and responsive to this shape.

Why do we round corners UX design?

Rounded corners are perfect for grids, They help with a friendly interaction. They are space-saving. They draw attention to the content and not the component.

Why does Apple use rounded corners?

It was hardly an arbitrary choice: Steve Jobs had been a big fan of shapes with subtle rounded corners for more than 20 years before the iPhone even launched. If we go back to the early 80s when Apple was working on the Lisa, Steve Jobs became obsessed with rounded rectangles.

Are rounded drywall corners better?

Durability

Rounded corners are less sensitive to these issues, and it's more likely they'll last longer. If you're looking for a durable drywall option, rounded corners are definitely worth considering.