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Barcode Poster

A barcode poster in two colours — with the code built on a base module, guard bars and a numeral row, so it reads as a scanned object rather than a stripe field. Five fields.

graphicspostertypographyimage-promptminutes
ExamplesQuantised widths · guard bars · numerals · two colours
Vibary
Harbour Row

We made two examples: a barcode poster for Vibary and another for Harbour Row. Both have guard bars, a numeral row and a quiet zone, but the bar widths are not exact multiples of one module. Naming the parts of a code gets you the parts; naming the module does not get you the module.

You get a barcode that looks like a scanned object: guard bars at both ends and in the centre dropping below the block, grouped numerals with one digit outside on the left, a quiet zone, and bars carrying on above and below the knocked-out letters. The widths do not divide by a common module the way a real code does. If you need exact bar widths, draw the bars rather than describe them.

Generated for this library

Input
  Knockout INDEPENDENT READING - and 01 beneath
  Numerals 9 771234 567890
  Support  top row PAPER LAB · INK · ZINE · READ · second row
           WEST BUND ARTS CENTRE / 2026.09.19-09.20 · under
           the code INDEPENDENT MAGAZINE MARKET · at the foot
           SAT-SUN 10:00-20:00
  Colours  acid lime on near-black
  Headline INDEPENDENT MAGAZINE MARKET, over PAPER DREAMS /
           FREE PRESS

Returned   1 poster · 2:3 · two colours, high contrast

module    every bar and gap 1, 2, 3 or 4 units wide - no
          width that is not a multiple
guards    a tall 1-1-1 pattern at each end and at the centre,
          running below the block
quiet     a clear margin the width of nine units on both
          sides of the code
numerals  a single row beneath the bars, in a mono face,
          split into groups
colours   two, and the ground counted as one of them
SKILL.mdthe whole thing, as you would paste it© vibary.ai

You fill in 5 fields — the braced lines at the top. Everything below them is fixed.

  1. 1The words knocked out of the bars
  2. 2The numerals under the code
  3. 3The supporting lines, and where each goes
  4. 4The two colours
  5. 5The headline under the code

Barcode Poster

What this makes

A barcode poster in two colours — with the code built on a base module, guard bars and a numeral row, so it reads as a scanned object rather than a stripe field. Five fields.

The whole template, in one piece. The steps below are the entire workflow.

How to use it

  1. Copy the whole template with the button above.
  2. Replace the five FIELDS lines. Keep the knocked-out words to two or three, since every character costs bars.
  3. Paste it into any image-capable agent or model, in one message. One run returns the poster.
  4. Measure a few bars before shipping. If their widths do not all divide by one common unit, it is a stripe field.

What you swap

The words knocked out of the bars
INDEPENDENT READING — and the issue number 01 beneath them
The numerals under the code
9 771234 567890
The supporting lines, and where each goes
top row PAPER LAB · INK · ZINE · READ · second row left WEST BUND ARTS CENTRE · second row right 2026.09.19—09.20 · under the code INDEPENDENT MAGAZINE MARKET · at the foot SAT—SUN 10:00—20:00
The two colours
acid lime on near-black, and nothing else
The headline under the code
INDEPENDENT MAGAZINE MARKET — with the line PAPER DREAMS / FREE PRESS above it

Before it runs

  • Short words to knock out. Long ones eat too many bars and the code stops reading as a code.
  • A number you are happy to print. It sits under the bars in the open and a random-looking string reads as filler.
  • Tolerance for one loud colour. The format is a two-colour format and adding a third kills it.

When to reach for it

Zine fairs, record shops, market events, anything with retail or print culture behind it. Templates in this style return a handsome field of stripes at freely varying widths, which is what a barcode looks like to someone who has never looked at one.

What changes

  • One high-contrast poster built around a large barcode block, with the headline knocked out of the bars.
  • Every bar and gap an exact multiple of one base module, so the code has the quantised rhythm real codes have.
  • Guard bars at both ends and the middle, a quiet zone margin, and a human-readable numeral row beneath.
  • Two colours only, one of them the ground, with the code carrying the accent.
  • Supporting lines set small and flush, so the code stays the only event on the sheet.

Pairs with