Sans Superellipse Irso 1 is a very bold, wide, medium contrast, upright, normal x-height font.
Keywords: headlines, posters, packaging, logos, branding, playful, retro, chunky, toy-like, comic, impact, friendliness, novelty, display, memorability, rounded, blobby, soft corners, compact counters, blocky.
A heavy, rounded-rectangle sans with thick, uniform strokes and soft corners throughout. Curves are built from superellipse-like geometry, giving bowls and terminals a squared-off roundness rather than true circular forms. Counters are small and tightly enclosed, and many joins feel compact, producing dense, punchy silhouettes. The overall construction is sturdy and low-detail, with simplified shapes and minimal modulation for strong presence at display sizes.
Best suited to headlines, posters, and bold branding where high visual impact is the priority. It can work well for packaging, playful product marks, and short UI labels or badges where the rounded, chunky silhouettes help readability at larger sizes. For longer passages, its dense counters and heavy color are more effective in short bursts than in extended text blocks.
The tone is bold and friendly, with a humorous, game-like energy. Its chunky, rounded forms suggest a retro display sensibility—more playful than corporate—while still reading as clean and geometric. The dense black mass and softened corners create a confident, approachable voice suited to attention-grabbing headlines.
The design appears intended to deliver a strong, friendly display voice using rounded-rectangular geometry and compact internal spaces. Its simplified, weighty construction prioritizes instant recognition and a distinctive texture over typographic delicacy. Overall, it aims for a memorable, playful presence that holds up in large-scale applications.
Uppercase forms read especially block-structured, while the lowercase keeps the same compact rhythm, resulting in a consistent “puffy” texture in running text. Numerals match the same squared-round logic, maintaining a cohesive, poster-ready look. Spacing appears tuned for impact, with letterforms that feel intentionally tight and weight-forward.