From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Retro Circles Background 4 No Black
Source GDJ
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
A seamlessly tile-able grunge background image.
Source V. Hartikainen
Gold Triangular Seamless Pattern No Background
Source GDJ
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
One more updated pattern. Not really carbon fiber, but it’s the most popular pattern, so I’ll give you an extra choice.
Source Atle Mo
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
A nice and simple white rotated tile pattern.
Source Another One
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Seamless pattern inspired by a drawing on Pixabay. To get the tile this is formed from, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc