Slab Square Optu 3 is a light, wide, medium contrast, upright, normal x-height font.
Keywords: logotypes, headlines, posters, packaging, signage, industrial, drafted, retro, technical, typewriter, industrial feel, drafting aesthetic, retro utility, display impact, systematic geometry, monoline, squared, angular, bracketless, stencil-like.
This typeface has a monoline skeleton built from straight strokes and chamfered corners, giving many curves an octagonal, engineered feel. Serifs are slab-like and flat-ended, often appearing as small rectangular terminals that read like riveted or capped stroke ends. The rhythm is steady and slightly mechanical, with crisp joins, short crossbars, and a generally open construction; rounded letters such as C, G, O, and Q are rendered as faceted forms rather than true curves. Lowercase forms keep a straightforward, utilitarian structure with a compact, workmanlike texture, and numerals follow the same squared, segmented logic.
It works well for logos, titles, and display text where an industrial or technical mood is desired, and it can also suit packaging and signage that benefits from a rugged, labeled aesthetic. In longer passages it remains readable, but its strong faceting is most effective when used large enough to appreciate the constructed details.
The overall tone is technical and workshop-ready, evoking drafting marks, industrial labeling, and retro hardware typography. Its faceted geometry and blocky terminals create a no-nonsense, engineered personality with a hint of vintage computing or typewriter-era pragmatism.
The font appears designed to translate slab-serif readability into a more engineered, modular aesthetic, using chamfered geometry and squared terminals to suggest machined or drafted letterforms. The goal seems to be a distinctive display face that feels practical and utilitarian while staying stylistically cohesive across the character set.
The design language is highly consistent across uppercase, lowercase, and figures, with repeated use of clipped corners and squared terminals as the primary signature. Text settings show clear word shapes and sturdy spacing, while the angular treatment of traditionally round letters gives the face a distinctive, constructed look.