Bubble Pillow Square
Display1 style17 languages
H S $ I n s
Display · 1 style · 149 characters · Version 0.1.2 · Published November 5, 2026
Bubble Puffy Serif adds short, soft bracketed feet to inflated low-contrast strokes. Its broad bowls and conventional lowercase skeleton keep the serif construction visible even in the rounded display texture.
Aa
HS$Ins
Direction
Let the puffy serifs shape the headline and set the information in a calmer companion.
Bubble Puffy Serif leads with its broad soft feet; Serif Book Warm changes the contrast and rhythm in the supporting line.
The 64px, 28px and 20px samples are composition settings. A real page may need more width or a shorter title to preserve the spacing.

The sample uses digits and basic punctuation mapped in this version. Euro, pound and yen are outside the reported common-symbol set.

Test
Type the words you plan to use and adjust size, line height, and letter spacing. The preview uses the final font file.
The quick brown fox jumps over the lazy dog
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Rendered from the font files, without retouching.







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The capital S in “Soft Serif Social” has rounded terminals; lowercase f in the same title shows the short soft serif foot.
Lowercase e in the headline keeps an open aperture inside its broad bowl.
The two-storey a and lowercase f in the title preserve recognizable serif letter structures within the soft display style.
Good for
Use the face for a compact title that needs both rounded weight and visible serif feet.
Check before using
The soft feet and wide bowls create a dense texture in long copy; reserve it for short display lines.
About
Bubble Puffy Serif's lowercase x reaches 73.2% of the capital height, close to the 73.2% median for display fonts. Ascenders on b, d, h, k and l rise 3.7% above the capitals, and descenders on g, j, p, q and y drop 20.2% of the cap height below the baseline. The o is close to a circle, 1.09 times as wide as it is tall, and N is the widest capital, at 1.08 times the width of H. Round letters overshoot: O rises 0.8% of the cap height above H and dips 1.1% below the baseline.
The letters stand upright, leaning less than 2.5° either way. Vertical stems measure 30.4% of the cap height. Strokes change thickness with direction: the sides of o and O are 1.7 times as thick as their tops and bottoms.
Its 148 characters include 105 Latin letters, plus 43 figures, punctuation marks and symbols; 53 of the Latin letters are accented or special forms beyond A to Z. The word space measures 45.9% of the cap height, and the blank space either side of a lowercase letter takes up 10.8% of its width. The font carries no kerning, so spacing comes from each letter’s own side bearings. The figures have different widths, so columns of numbers set in Bubble Puffy Serif will not line up exactly.
Measured from the version 0.1.2 font file. Comparisons are with the 1 published library fonts measured on November 4, 2026, 1 of them display fonts.
Characters
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Similar
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Compared with Bubble Puffy Serif: 7% narrower · heavier strokes
Method
AI assisted the observations and sample compositions. The examples use the named font files; measurements describe the supplied font files, and preview settings are illustrative.
The current text and font-file specimens received an independent review.
Birthday Candle Caps keeps soft projecting terminals but gives H compact pill-like feet, compared with the broad cushioned serifs in “Soft Serif Social.” Its R advances 0.625 em against 0.759 em here.
Brush Shelf Slab is a filled, footed display alternative with crisper slab edges in a, e and z. Its g takes 0.580 em compared with 0.637 em in Bubble Puffy Serif; check the sharper finish as well as the tighter measure.
FAQ