There are many carbon patterns, but this one is tiny.
Source Designova
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Kingsdene', Maria Fetherstonehaugh, 1878.
Source Firkin
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless web texture of "green stone".
Source V. Hartikainen
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Abstract Tiled Background Extended 12
Source GDJ
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
The image depicts a Japanese Edo pattern called "kanoko or 鹿の子" meaning "fawn" which has a fur with small white spots.
Source Yamachem
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Hyde Park from Domesday-Book to date', John Ashton, 1896.
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes