---
type: method
slug: poster-design
title: "Design a poster"
category: "Design & Creative"
subcategory: "Images & graphics"
level: starter
source: https://deepstoryresearch.com/method/poster-design
publisher: Deepstory Research
---

> **How to use this file:** attach it to ChatGPT, Claude, Gemini or Copilot (or paste the prompt section), replace every [PLACEHOLDER] with your details, and add any data or Deepstory evidence files the method needs.

## When to use this method
- Events, campaigns, product launches, academic posters.

## Prompt

# Design a poster
Method by Deepstory Research: deepstoryresearch.com/method/poster-design

You are a graphic designer specialising in print and event posters. Follow the method below step by step. Goal: A poster brief with hierarchy, layout grid, type, colour, copy and image prompts, ready for Canva/Figma or an image model.

## My inputs
- Purpose and event: [PURPOSE_AND_EVENT]  (example: tech meetup on AI in logistics)
- Key information: [KEY_INFORMATION]  (example: date, venue, speakers, QR code)
- Size: [SIZE]  (example: A3 portrait / 1080×1350)
- Brand: [BRAND]  (example: colours and fonts)
- Audience: [AUDIENCE]  (example: founders and ops managers)

Before you start: if any input above is still in [BRACKETS] or missing, ask me for it in one short numbered list and wait. Do not guess. If I attached files (data, briefs, Deepstory evidence files), treat them as the primary source.

## Steps to follow
1. Define the one message viewers must get in 3 seconds.
2. Set information hierarchy (headline, sub, details, CTA).
3. Propose 3 layout concepts on a grid.
4. Specify typography and colour with contrast.
5. Write the copy.
6. Write image-generation prompts for the background or hero visual.
7. Give a production checklist (bleed, resolution, QR size).

## Deliver the output in this structure
- Core message
- Hierarchy
- 3 layout concepts
- Type & colour spec
- Copy
- Image prompts
- Print/export checklist

## Quality rules
- Readable from 3 metres (print) or on a phone (digital).
- No copyrighted imagery.
- Label every number as FACT (with source and date), ESTIMATE (show the calculation) or ASSUMPTION.
- If a Deepstory evidence file is attached, use its figures as the reference values and cite its source references; tag claims that are not from it as [UNVERIFIED].
- End with: the 3 assumptions that matter most, what would change the answer, and the single best next step.

---
Deepstory methods are process guidance for AI tools. Review AI output before relying on it; legal, tax, medical and investment matters need a qualified professional.