Offcuts Issue 87
No. 86 18 June 2026 · 4 min read

Soft Edges

Sometime in the last decade, the whole interface world rounded its corners. It’s worth asking what we were trying to say.

A stack of design books with rounded spines on a wooden table, lit by soft window light
A border-radius is a posture. Most of the web is now leaning back.

Pull up a screenshot from 2011 and the thing that dates it isn’t the colour or the gradient — it’s the corners. They’re sharp. Hard ninety-degree turns, like the page was cut with a guillotine. Now look at anything shipped this year. Everything is rounded. Buttons, cards, avatars, the search box, the search box inside the card. We have, collectively and almost without discussion, decided that software should feel like a river stone.

I don’t think that’s an accident, and I don’t think it’s only fashion.

What a corner says

A sharp corner is architectural. It says: this is a document, a form, a serious surface, handle it carefully. A rounded one is bodily. It says: this is a thing, pick it up, it won’t hurt you. As interfaces moved from desks to palms — from things we operated to things we held — the corners softened to match. Rounding is the design language of approachable.

“The radius is small, but the message isn’t: nothing here has a sharp edge to catch you.”

The trap is that softness has a saturation point. Round everything and nothing reads as solid; the whole screen turns to marshmallow and your eye has nowhere firm to land. The skill isn’t rounding. It’s knowing the one or two places to leave a hard edge so the soft ones mean something.

Five hand-picked links

  • The squircle, explained without the maths Essay

    Why Apple’s corners aren’t circles, what a superellipse actually is, and how to fake one in CSS. Read →

  • A field guide to border-radius Reference

    Nested radii, the “inner = outer minus padding” rule, and why your buttons look slightly wrong. Read →

  • Brutalism’s last stand Gallery

    A loving archive of sites that kept their corners sharp on purpose. Bracing, in a good way. Look →

  • Why your rounded card looks cheap Thread

    A designer diagnoses the “bubble UI” trap — too much radius, not enough contrast — with fixes. Read →

  • Corner Smoothing in 60 seconds Tool

    A playground that shows the difference between a radius and a real squircle, live. Strangely soothing. Play →

Reply and tell me: are you a sharp-corner holdout, or did you round everything years ago and never look back? I’m genuinely curious where people landed.

— Mara