Draw a City in One Colored-Pencil Line

Colored-pencil poster of Lisbon drawn in one continuous line, yellow tram

One Line, One World

prompt:

Create a stunning collectible art poster featuring [CITY / COUNTRY / LANDMARK], illustrated entirely with expressive colored-pencil strokes and rich wax-crayon textures on warm, textured paper.

THE CENTRAL IDEA: One continuous, imperfect hand-drawn https://t.co/w5jKkpOYft

Create a stunning collectible art poster featuring Lisbon, Portugal, illustrated entirely with expressive colored-pencil strokes and rich wax-crayon textures on warm textured paper. One continuous imperfect hand-drawn line travels through terracotta rooftops, a yellow tram and a tall riverside tower, bold crayon colour blocks, collectible travel-poster composition with the title 'LISBON' in hand-lettered type at the top, warm and joyful, no other text. Square 1:1 composition.

Filled the city placeholder, completed the truncated prompt and set Square 1:1

cinel made the replacements above to generate the example image.

Model

2 credits for members at 1K, 4 with daily credits. Ratio 1:1.

illustrationArchitectureText in imageratio 1x1text only

Details

Category	Posters, Logos & Graphic Design
Aspect ratio	1:1
Input	Text only
Example generated with	GPT Image 2.5
Recommended models	GPT Image 2, Nano Banana 2, Seedream 5 Pro
Original author	@Naiknelofar788 · Original post on X
Original model	gpt-image-2.5

Why this prompt works

A filled example of a 'One Line, One World' poster prompt @Naiknelofar788 shared. We set the city to Lisbon: one continuous line through rooftops, a yellow tram and a riverside tower, with a hand-lettered title. Use it for travel posters, guide covers and stationery.

How to adapt it

Variable	What it changes	Examples
Lisbon, Portugal	the city	Porto, Portugal, Seville, Spain
a yellow tram	the tram	a red funicular, a blue fishing boat

Tips

One line must stay visible.
Crayon blocks add the colour.
Hand-lettered title only.