Book du jour - map folding

I once spent a week learning how to do this kind of thing
(by David Lu; from here)

Now I'm trying to do something different...
Starting with cut-folded-and-glued squares

...ending up with something similar, no glueing necessary

Next steps: making a cover, and revisiting the turkish map fold.

An internet search finds lots of ideas for folding maps, among them these -

a zoomable map (from here)

by Francisca Prieto (from here)

just crumple, why not? (from here)