Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Derived from a drawing in 'Historiske Afhandlinger', Adolf Jorgensen, 1898.
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Seamless SVG vector and JPG backgrounds with faded diagonal stripes. The colors are editable.
Source V. Hartikainen
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
You guessed it – looks a bit like cloth.
Source Peax Webdesign
A pattern derived from repeating unit cells each derived from part of a mosaic in paint.net. The starting point for the mosaic was a picture of some prawns!
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin