Background formed from the original with an emboss effect
Source GDJ
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Abstract Tiled Background Extended 6
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
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
Prismatic Abstract Geometric Background 4
Source GDJ
A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.
Source Firkin
Psychedelic Geometric Background No Black
Source GDJ
ZeroCC tileable moss texture, photographed and made by me. CC0
Source Sojan Janso
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Zero CC tileable ground (#2) cracked, crackled texture, made by me. CC0
Source Sojan Janso
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
From a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile