Looks like an old rug or a computer chip.
Source Patutin Sergey
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Prismatic Abstract Background Design No Black
Source GDJ
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Remixed from a drawing in 'Incidents on a Journey through Nubia to Darfoor', F. Ensor, 1891.
Source Firkin
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
A brown seamless wood texture in a form of stripe pattern. The result has turned out pretty well, in my opinion.
Source V. Hartikainen
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Background formed from the original with an emboss effect.
Source Firkin
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
From a tile that can be had by selecting the rectangle in Inkscape and using 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
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Cubes, geometry, 3D. What’s not to love?
Source Michael Atkins