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Sans Superellipse Abbut 4 is a regular weight, normal width, monoline, upright, normal x-height font.

Keywords: ui design, app interfaces, signage, branding, dashboards, modern, technical, friendly, clean, utilitarian, clarity, modernity, approachability, system design, brand voice, rounded, superelliptical, geometric, minimal, crisp.

A geometric sans built from rounded-rectangle and superellipse-like curves, pairing straight stems with generously softened corners. Strokes appear even and consistent, with open counters and clear apertures that keep shapes legible in text. The overall rhythm is tidy and measured, with slightly squared bowls and rounded terminals that create a distinctive, structured softness across capitals, lowercase, and numerals.

Well suited to UI and product surfaces where clarity and consistency matter, including app interfaces, dashboards, settings screens, and wayfinding-style signage. Its clean shapes also fit contemporary branding, packaging, and general-purpose display text where a modern, rounded technical feel is desired.

The tone feels modern and engineered yet approachable, combining a clean, no-nonsense structure with friendly rounding. Its rounded geometry suggests contemporary interface design and product branding rather than editorial or historical voice.

The design appears intended to deliver a contemporary geometric sans with a signature superelliptical construction—balancing efficient readability with a distinctive rounded-rect character for digital-forward typography.

Distinctive superelliptical bowls show up in letters like C, D, O, and e, giving the face a recognizable “rounded-square” identity. Numerals follow the same geometry, with clear, straightforward forms suited to mixed text-and-number settings.