Please note that it is not a “real” pattern but only a few notes I wrote after knitting mine…
For more details you can refer to blog posts and projects of nice knitters who shared their notes along the years. Some exemple :

https://fringeassociation.com/2013/06/06/how-to-knit-orla...
https://www.ravelry.com/projects/jooney/textured-shawl-re...
https://www.ravelry.com/projects/hazeldazel/textured-shaw...
https://www.ravelry.com/projects/larisa/textured-shawl-re...

Une version française ici (merci à la personne qui s’en est chargé) : http://storage.canalblog.com/39/06/77905/47041420.pdf

now available in german, thanks anja :-)

and available in italian, thank you marina !!