I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
To celebrate the new feature, we need some sparkling diamonds.
Source Atle Mo
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
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
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
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 square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A chequerboard pattern with a fruit theme. The fruits are from a posting by inkscapeforum.it.
Source Firkin
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
8 by 8 pixels, and just what the title says.
Source pixilated
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert