Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
You may use it as is, or modify it as you like.
Source V. Hartikainen
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
Might not be super subtle, but quite original in its form.
Source Alex Smith
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Geometric triangles seem to be quite hot these days.
Source Pixeden
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
This is the remix of an OCAL clipart called "Rain on Window" uploaded by "pagarmidna".Thanks.This is a seamless pattern of raindrops.
Source Yamachem
You guessed it – looks a bit like cloth.
Source Peax Webdesign
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett