This was formed by distorting an image of a background on Pixabay.
Source Firkin
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
Looks like an old wall. I guess that’s it then?
Source Viahorizon
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Retro Circles Background 8 No Black
Source GDJ
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Seamless Background For Websites. It has a texture similar to cork-board.
Source V. Hartikainen
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Used a cherry by doctormo to make this seamless pattern
Source Firkin
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
From a drawing in 'Handbook of the excursions proposed to be made by the Lincoln Diocesan Architectural Society, on the 27th and 28th of May, 1857', Edward Trollope, 1857.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Basket Fibers, Basket Texture, Braid Background style CC0 texture.
Source 1A-Photoshop