It also adds new modular grids and brings improvements to axonometric grids, allowing designers to set grid angles by ratio ...

Mansfield received them via a Freedom of Information request t oTfL (Transport for London), and explains that "they are technically axonometric diagrams, which is 3D-like, but not to scale ...

Transport for London (TfL) has released a series of 3D axonometric maps of the world’s oldest tube network, following a Freedom of Information Act (FoIA) request by Londoner Georges Vehres.

But how are Tube stations structured inside? Blogger Ian Mansfield got his hands on a series of axonometric diagrams via an FOI request to TfL. These are "3D-like" diagrams that show off the ...