A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
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
From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
Seamless pattern formed from a tile that can be extracted 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
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Inspired by an image that was uploaded to Pixabay by geralt
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
The name is totally random, but hey, it sounds good.
Source Atle Mo
Seamless Background For Websites. It has a texture similar to cork-board.
Source V. Hartikainen
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
Old China with a modern twist, take two.
Source Adam Charlts