To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
A lot of people like the icon patterns, so here’s one for your restaurant blog.
Source Andrijana Jarnjak
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Abstract Tiled Background Extended 8
Source GDJ
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
A floral background formed from numerous clones of flower 117.
Source Firkin
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
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
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic