Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Prismatic Abstract Background Design
Source GDJ
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Prismatic Geometric Pattern Background
Source GDJ
A seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Looks like an old rug or a computer chip.
Source Patutin Sergey
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Found on the ground in french cafe in kunming, Yunnan, china
Source Rejon
The name is totally random, but hey, it sounds good.
Source Atle Mo
An alternative colour scheme for the original background.
Source Firkin
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
A bit of scratched up grayness. Always good.
Source Dmitry
Prismatic Groovy Concentric Background 4
Source GDJ
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis