To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
A seamless light gray paper texture with horizontal double lines.
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
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
8 by 8 pixels, and just what the title says.
Source pixilated
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Black brick wall pattern. Brick your site up!
Source Alex Parker
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin