With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
A yellow tiled background... Blurriness, bokeh effect and rectangles pattern in one mix.
Source V. Hartikainen
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Alternative colour scheme for the original floral pattern.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A browner version of the original weathered fence texture.
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
A version without colours blended together to give a different look.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin