A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Zero CC tileable moss or lichen covered stone texture, edited from pixabay. CC0
Source Sojan Janso
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
This one is quite simple in design, it consists of vertical stripes layered on top of a seamless texture.
Source V. Hartikainen
Used the 6th circle pattern designed by Viscious-Speed to create a print that can be used for card making or scrapbooking. Save as a PDF file for the best printing option.
Source Lovinglf
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
From a drawing in 'A Guide to the Guildhall of the City of London', John Baddeley, 1898.
Source Firkin
An alternative colour scheme for the original background.
Source Firkin
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
This was formed by distorting an image of a background on Pixabay.
Source Firkin
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
This tiled background comes in red and consists of tiles that look like gemstones. It is more for blogs or social profiles, I think.
Source V. Hartikainen
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
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin