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The authors present a simple and efficient technique for laser writing of arbitrary nanopatterns across a large surface area without using projection masks. It is based on the unique near-field focusing effect of a self-assembled particle array on the surface interacting with an angular incident laser beam. The spot resolution can be down to 80 nm⁠. More than 6× 10 6 nanolines and c-shaped uniform patterns were fabricated simultaneously over an area of 5× 5 mm 2 by a few laser shots.