As the original image 's page size is too large for its image size, I remixed it.
Source Yamachem
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
Abstract Tiled Background Extended 8
Source GDJ
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
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
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Prismatic Polyskelion Pattern No Background
Source GDJ
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
This is the remix of an Openclipart clipart called "Maze" uploaded by "any_ono_mous".Thanks.This is a seamless pattern of a maze.
Source Yamachem
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
From a drawing in 'An Old Maid's Love. A Dutch tale told in English', Maarten Maartens, 1891.
Source Firkin
An alternative colour scheme for the original background.
Source Firkin
Psychedelic Geometric Background No Black
Source GDJ
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq