This background pattern contains a texture of yellow wood planks. I think it looks quite original.
Source V. Hartikainen
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Prismatic Groovy Concentric Background 2
Source GDJ
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Remixed from an image on Pixabay, the original having been uploaded by darkmoon1968.
Source Firkin
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
White handmade paper pattern with small bumps.
Source Marquis
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Here's a repeatable texture that resembles a light green concrete wall or something similar.
Source V. Hartikainen
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Non-seamless pattern drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Background formed from the original with an emboss effect
Source GDJ
A free light orange brown wallpaper with vertical stripes designed for use as a tiled background on websites. An yet another background pattern with vertical stripes.
Source V. Hartikainen
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
This is the remix of "plant pattern 02".I changed the object color to white and the BG to purple.The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:jp.pinterest.com/pin/500744052301423641/
Source Yamachem
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin