From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
You guessed it – looks a bit like cloth.
Source Peax Webdesign
A seamless texture of a rough concrete surface.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
I have no idea how to describe this one, but it’s light and delicate.
Source JBasoo
Prismatic Polka Dots 3 No Background
Source GDJ
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Abstract Tiled Background Extended 10
Source GDJ
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
A new one called white wall, not by me this time.
Source Yuji Honzawa
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.
Source Yamachem