Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
The image depicts a seamless pattern of the design which includes a stylized lotus and a stylized crane.I referred to the original image in a book which is into public domain.
Source Yamachem
A textured blue background pattern with vertical stripes.
Source V. Hartikainen
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
Might not be super subtle, but quite original in its form.
Source Alex Smith
From a drawing in 'A Rolling Stone. A tale of wrongs and revenge', John Hartley, 1878.
Source Firkin
Prismatic Hexagonalism Pattern No Background
Source GDJ
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
From a drawing in 'Less Black than we're painted', James Payn, 1884.
Source Firkin
Zero CC tileable hard cover cells book texture, 4k, scanned and made by me. CC0
Source Sojan Janso
Just like the black maze, only in light gray. Duh.
Source Peax
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin