Here's a quite bright pink background pattern for use on websites. It doesn't look like a real fur, but it definitely resembles one.
Source V. Hartikainen
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
A pattern derived from part of a fractal rendering in Paint.net.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Hexagonalism Pattern No Background
Source GDJ
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Alternative colour scheme for the original floral pattern.
Source Firkin
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Prismatic Curved Diamond Pattern No Background
Source GDJ
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ