Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
Here's an yet another seamless note paper texture for use as a background on websites.
Source V. Hartikainen
Looks like an old rug or a computer chip.
Source Patutin Sergey
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
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
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
Remixed from a JPG that was uploaded to Pixabay by susanlu4esm
Source Firkin
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
Psychedelic Geometric Background No Black
Source GDJ
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley