Sans Superellipse Duduy 4 is a regular weight, normal width, monoline, upright, normal x-height font.
Keywords: ui text, app design, product branding, signage, dashboards, modern, technical, friendly, clean, minimal, ui harmony, systematic geometry, approachable modernity, clarity, rounded corners, superelliptic, geometric, compact apertures, squared curves.
A rounded, geometric sans with superelliptic construction: curves read like softened rectangles rather than true circles, giving counters a squarish-round feel. Strokes are even and crisp, with a fairly compact, efficient rhythm and modest apertures that keep shapes contained. Uppercase forms are straightforward and engineered, while the lowercase maintains a consistent, structured look; bowls and shoulders tend toward squared arcs, and terminals finish cleanly without flare. Numerals follow the same rounded-rectangle logic, producing a cohesive, systematized texture in text.
Well suited to interface typography, product surfaces, and digital branding where a clean, modern texture and rounded geometry feel appropriate. It should also work for concise headlines, labels, and signage that benefit from a friendly-tech aesthetic and consistent letter construction.
The overall tone is contemporary and utilitarian with a friendly edge. Rounded corners soften the otherwise technical geometry, suggesting a product/UI sensibility rather than an editorial or calligraphic voice.
The letterforms appear designed to deliver a contemporary, system-ready sans that feels precise but not harsh. The superelliptic shapes and rounded corners suggest an intention to harmonize with modern UI components and rounded-rectangle layout motifs while maintaining clear, compact readability.
The design leans on repetition of similar radii and squared curves across letters, which creates a distinctive, slightly "modular" color on the line. The uppercase reads a bit more assertive, while the lowercase stays approachable and highly consistent, supporting clear scanning at display and interface sizes.