Why do LED matrices need to be square?
Why clocks need to be readable?
Why do project write-ups need to be timely?

All that and more asked by this project converting a useless colour 3D print of the London tube map into something mostly the same.

An ambitions first project with surface mount components, hand wiring them with enamel wire into a 3D printed ABS support layer.

Will post more here, but a slightly more comprehensive write up is on instructables