The plate
Presentation renders; photographs follow with the first printing.
The Corridor
The North European Plain — the flat road armies have used both ways
No payment now. A reservation holds your place in the first printing. Pricing is published on this page at opening — the list simply hears first. Once the press opens, plates print to order and dispatch in 2–3 working days.
The pattern
From the French coast to the Urals runs a corridor of flat, farmable, marchable land — narrowest at Poland, widening into Russia like a funnel. Trade used it; so did Napoleon in 1812 and the Wehrmacht in 1941, and Russian armies moving the other way. The plate shades the whole road so you can see what a defence minister sees: no wall anywhere on it. And yet the corridor explains anxieties, not every policy built on them — flat ground invites, it does not compel.
This pattern also governs
- The Hexi Corridor — the desert-walled lane that let one Chinese state reach Central Asia
- The Khyber Pass — the corridor through the wall — every invader of India’s north took it
- The Fulda Gap — the lowland NATO expected Soviet armour to take
- The Danube corridor — Rome’s frontier and Vienna’s reason for existing
The living map
Every printed plate carries a small engraved code in the colophon corner. Scan it and the plate opens as a living map — the story, the interactive atlas, the daily challenge — at cartogram.earth/p/corridor. Prefer a clean margin? Reserve with the no-mark option and the code ships on the colophon card instead. See the place in the atlas →
Shipping & returns
Printed to order at fine-art plants in the US and EU. Prints ship flat or in a rigid, double-walled tube; framed plates ship boxed with corner protection. Dispatch is 2–3 working days from the press opening. A plate damaged in transit is reprinted free, from a photo — no return postage, no argument. Exact shipping rates are published with launch pricing.
The edition
The Pattern Index is an open edition, printed to order. A cased Portfolio Edition of 250 — all fourteen plates, numbered, with a fifteenth key plate — follows the singles.
