White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
From a drawing in 'From Snowdon to the Sea. Striking stories of North and South Wales', Marie Trevelyan, 1895.
Source Firkin
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Almost like little fish shells, or dragon skin.
Source Graphiste
A repeating background with wood/straw like texture.
Source V. Hartikainen
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
A version without colours blended together to give a different look.
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
A bit of scratched up grayness. Always good.
Source Dmitry
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
From a drawing in 'Hyde Park from Domesday-Book to date', John Ashton, 1896.
Source Firkin
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae