The image depicts a seamless pattern of the design which includes a stylized lotus and a stylized crane.I referred to the original image in a book which is into public domain.
Source Yamachem
From a drawing in 'Friend or Fortune? The story of a strange year', Robert Overton, 1897.
Source Firkin
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A seamless texture of black leather. I think it will look best when used in headers, footers or sidebars.
Source V. Hartikainen
A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
More in the paper realm, this time with fibers.
Source Jorge Fuentes
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
A seamless gray background texture suitable for use on websites. To me, it has the look of stone. Feel free to modify it to meet your needs (by making it a bit lighter or darker, for example).
Source V. Hartikainen
Adapted from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous