A bit simplified version. Although it could be edited out to be simpler. Anyway, this time the tiling is converted to a pattern fill -which is using clipping for the tile's edges.
Source Lazur URH
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Prismatic Groovy Concentric Background 2
Source GDJ
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
Light and tiny, just the way you like it.
Source Rohit Arun Rao
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin