The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
A nice and simple white rotated tile pattern.
Source Another One
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A free light orange brown wallpaper with vertical stripes designed for use as a tiled background on websites. An yet another background pattern with vertical stripes.
Source V. Hartikainen
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
Might not be super subtle, but quite original in its form.
Source Alex Smith
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A heavy hitter at 400x400px, but lovely still.
Source Breezi