Number five from the same submitter, makes my job easy.
Source Dima Shiper
Colour version of the original seamless pattern.
Source Firkin
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
Zero CC tileable hard cover red book, scanned and made by me. CC0
Source Sojan Janso
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne