By Jack Pan — Founder of Cartosketch, developer, designer, and map enthusiast
Paris by Arrondissement: A Destination Poster of the Whole City
Day 5 of the Destination Poster series. How Cartosketch composes Paris into one isometric relief poster — Eiffel, Louvre, Notre-Dame, Sacré-Cœur, the Seine — with arrondissement labels.
Paris was the first city we tested when we shipped the destination-poster product line. The Seine is a generous compositional gift — it threads the city together left-to-right, gives the model an obvious spine, and lets the landmarks line up along it like ornaments on a wire.

Why the Seine carries the composition
Cities are easier to compose when they have a clear geographic spine — Manhattan has the rectangle, Venice has the Grand Canal, Paris has the Seine. The poster places the river slightly below center, curving from the Eiffel area on the left into the Louvre and Notre-Dame on Île de la Cité in the middle, then out to the right edge. Sacré-Cœur perches on Montmartre above; Panthéon anchors below; Arc de Triomphe sits in the upper-left.
The arrondissement labels — 7ᵉ ARR. by the Tour Eiffel, 1ᵉʳ ARR. by the Louvre, 4ᵉ ARR. by Notre-Dame, 18ᵉ ARR. by Sacré-Cœur — turn the poster from "pretty" into "actually navigational" for anyone who has lived in or visited Paris. It's not a map you'd use to get around, but it's a map you can tell stories on.
What we'd refine on V2
On the version shown above the Sacré-Cœur is labelled SACRÉ-CŒUR — but the AI mis-spelled TRIOMPHE in one of the labels. For destination posters at this scale of typography, a one-line refinement ("fix the spelling of TRIOMPHE") and a regeneration of that label region is the standard workflow. It costs 1 credit and ~60 seconds. Models will keep getting better at text; for now, the in-studio refinement loop is the safety net.
Make your own Paris (or any other city)
- Open /dash/posters/new and type "Paris" (or any city / landmark / region you want).
- Pick square 1024×1024 for the Seine-as-spine composition, or 1024×1536 portrait to give Sacré-Cœur more headroom.
- Generate (1 credit, ~60 seconds).
- Refine any landmark name, label, or composition detail in the side chat — 1 credit per refinement.
- Download the watermark-free PNG and print A3 / A4.
FAQ
- Can the poster show only one neighborhood instead of the whole city?
- Type a neighborhood name directly — "Le Marais", "Montmartre", "Saint-Germain-des-Prés" — and the model centers on that area. Same poster format, scoped tighter.
- What if I want the title in French rather than English?
- Type "Paris · Là où l'histoire chuchote l'élégance" or send a refinement "replace the tagline with [your French text]". The model preserves the layout and swaps the type.
- Is this a good gift for someone who lived in Paris?
- Yes — frame the 1024×1536 portrait at A3, and the arrondissement labels turn it into a personal souvenir rather than a generic poster. Pair with a hand-written note about the arrondissement they lived in.
Founder of Cartosketch — developer, designer, and map enthusiast.
