Hollow Other Sidu 4 is a regular weight, normal width, very high contrast, upright, normal x-height font.
Keywords: headlines, posters, packaging, children’s, party invites, playful, whimsical, novelty, retro, kid-friendly, add texture, standout display, themed branding, playful tone, spotted, rounded, bubbly, decorative, high-contrast.
A rounded, display-focused alphabet with softly inflated outlines and pronounced thick–thin transitions. Each glyph is built from smooth, tubular strokes with ball-like terminals and gentle curves, giving the set a friendly, cartoonish silhouette. Inside the forms, irregular organic knockouts create a spotted pattern that varies from character to character, producing lively texture while keeping counters generally open and readable. Spacing and widths are uneven by design, with a hand-drawn rhythm and slightly idiosyncratic proportions across capitals, lowercase, and numerals.
Best used for short text such as headlines, posters, product packaging, and themed graphics where the spotted interior detail can be appreciated. It also fits children’s materials, playful branding, and event or party invitations, especially in high-contrast black-and-white or bold color treatments.
The overall tone is lighthearted and whimsical, with a playful “spotty” motif that reads as fun and attention-seeking rather than formal. It evokes a retro-novelty feel—cheerful, quirky, and a bit theatrical—suited to designs that want personality and visual texture.
The design appears intended as a characterful display face that combines bubbly letterforms with irregular interior knockouts to create a distinctive, patterned look. The goal is to add visual flavor and a sense of motion/texture to titles and branded phrases rather than to serve as a workhorse text font.
The internal cutouts are a defining feature and will become more prominent at larger sizes; at smaller sizes the pattern may visually fill in and reduce clarity. Round terminals and curvy joins keep the texture from feeling harsh, and the decorative detailing is consistent across letters and digits.