Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
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
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Prismatic Abstract Geometric Background 4
Source GDJ
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
Abstract Ellipses Background Grayscale
Source GDJ
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
A textured blue background pattern with vertical stripes.
Source V. Hartikainen
An abstract texture of black metal pipes (seamless).
Source V. Hartikainen
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin