Field folio / central Sahara
Stone Meridian
Ochre / indigo / brass

Tibesti / Ennedi / Borkou

Eighty Percent Sky

Austere mineral pages shaped by ochre sandstone, one indigo cloth mark, and brass detail measured against silence.

80% WIDE SKY REGISTER BILMA LINE / ROCK PEOPLE / DRY SEASON
This is the Chadian Toubou Saharan Route design system, applied by Curio Design — a design-style library for AI agents. Full Chadian Toubou Saharan Route guide → designbycurio.com/learn/chadian-toubou-saharan-route