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I in Bubble Letters

By Maya Chen, lettering designer and type educator · Checked by Jordan Hale · · How we review content

Capital I
Lowercase i

Rendered in the Bagel Fat One typeface, an open-source font. It is a reference shape, not a hand-drawn letter.

I is the simplest letter to inflate and the easiest to make boring. The capital is a single rounded bar, and the lowercase i is a short bar with a dot. What makes a bubble i interesting is that the dot is its own balloon, floating above the stem with a gap you control.

Outline version to colour or trace

Open in the bubble letter generator →

How to draw a bubble capital I

  1. 1Draw a single vertical line from the baseline to the cap line, and decide whether you want plain I or I with short top and bottom bars.
  2. 2For a plain I, inflate the line into a capsule: straight sides with a full semicircle on top and bottom.
  3. 3For the serif version, draw short horizontal bars at the top and bottom and inflate them, then blend them into the stem with round corners.
  4. 4Outline in pen and erase the skeleton, checking that both sides of the capsule are the same width.
  5. 5Shade down one side and place a small highlight near the top, which makes the capsule look like a glossy pill.

Tip: A plain bubble I is a capsule, so draw it with a dummy pill shape traced from a coin and a ruler. The perfect ends are what make it look inflated.

How to draw a bubble lowercase i

  1. 1Draw a short vertical line from the baseline to x-height, and mark where the dot will go above it.
  2. 2Inflate the stem into a capsule with rounded top and bottom, keeping its thickness equal to your capital letters.
  3. 3Draw the dot as a circle of the same width as the stem, placed above the stem with a gap between them.
  4. 4Make the gap about half a stroke wide: too small and the dot merges, too large and it floats away.
  5. 5Outline both shapes, erase the skeleton, and give the dot a tiny highlight that matches the one on the stem.

Tip: Treat the dot as a ball sitting on a short post. Draw it first, then place the stem under it, and you will get the spacing right.

What makes I awkward or easy

I has no counters, curves or joins, so nothing can go wrong in the construction. The real challenge is visual: a plain capsule can look dull or be confused with an l or a 1, especially in rounded fonts. The dot adds a second shape that must feel related to the stem in size and shading. In a word, the I also leaves a lot of empty space on both sides, which can make spacing look uneven.

Variations

The dot is where designers play: swap it for a heart, a star or a smaller bubble with a shine. A graffiti I may tilt forward and thicken to a pillar. A serif I with top and bottom bars looks like a bone, and that is useful when it needs to stand apart from l. In outline-only versions the dot can be a coloured sticker.

Common mistakes with bubble I

  • The dot touches the stem and the i looks like a lopsided exclamation mark.

    Leave a gap of about half a stroke between the dot and the stem, and draw the dot as its own full circle.

  • The dot is smaller than the stem is wide.

    Match the dot's diameter to the stem width, or make it slightly larger, so the dot looks inflated too.

  • The capital I looks like a lowercase l in a word.

    Add short bars at top and bottom, or make the I a little heavier than the surrounding letters.

  • The stem has uneven edges, wider at the bottom than at the top.

    Draw two parallel guide lines at the correct width and keep the outline between them.

Ideas for bubble I

Capital I is the pronoun, so a big bubble I works for I LOVE YOU posters, and the dot of the lowercase i is where the heart goes. Names such as Isla and Ivan use it as an opening initial. On classroom charts, i for ice or igloo can hold a small drawing inside the stem.

Printable bubble I sheet

Trace the outlines, then fill the empty rows with your own bubble letters.

Bubble letter I i Name: ____________________ · coolletteringgenerator.com

Bubble I you can copy and paste

Ⓘ and ⓘ are the circled forms, and 🅘 is the black-circled capital. Be careful: ⓘ is also widely used as the information symbol, so a circled i in a bio may be read as an info icon and not as a letter.

Bubble I: questions

How do you draw a bubble letter I?
Draw a straight vertical line and inflate it into a capsule with straight sides and round ends. Outline it, erase the pencil and add a highlight near the top and shading down one side. For a clearer capital, add small horizontal bars at the top and bottom.
How do you draw the dot on a lowercase bubble i?
Draw it as a separate circle, about as wide as the stem, floating above the stem with a gap of roughly half a stroke. Outline it on its own and add a highlight that matches the one on the stem. Do not let it touch the stem.
How can I make a bubble I look more interesting?
Change the dot or add detail to the capsule. A heart or star dot is popular, as is a stripe pattern inside the stem. Adding a slight tilt and a bold drop shadow also helps. Keep the outline thickness the same as the other letters in the word.
Why do bubble I and l look the same?
Both are plain capsules in many bubble styles. The usual fix is to add serifs, or short bars, on the capital I and leave the l plain. In lowercase, the dot already separates i from l, so you only need to watch the capital.

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