To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Looks like an old rug or a computer chip.
Source Patutin Sergey
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Fix and cc0 to get the tile this is based on.
Source SliverKnight
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
This background has abstract texture with some similarities to wood.
Source V. Hartikainen
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
It’s big, it’s gradient—and it’s square.
Source Brankic1979
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin
A web texture of brown canvas. Will look great, when used in dark web designs.
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin