Zero CC tileable hard cover green book, scanned and made by me. CC0
Source Sojan Janso
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Number five from the same submitter, makes my job easy.
Source Dima Shiper
A version without colours blended together to give a different look.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed