This background has abstract texture with some similarities to wood.
Source V. Hartikainen
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
The following repeating website background is colored in a blue gray color and resembles a concrete wall or something similar to it.
Source V. Hartikainen
A free seamless background texture that looks like a brown stone wall.
Source V. Hartikainen
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i
Source Firkin