The image is a design of blue glass.How about using it as background image?
Source Yamachem
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
Remixed from an image on Pixabay uploaded by Prawny
Source Firkin
Alternative colour scheme. 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
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
A seamless pattern formed from a modified version of rwwgub's tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A background pattern with wavy green vertical stripes. This one has green stripes on a white background. Download if you like it.
Source V. Hartikainen
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Green Web Background, Seamless tile.
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
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Inspired by a pattern found in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin