Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A new one called white wall, not by me this time.
Source Yuji Honzawa
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Seamless Prismatic Geometric Pattern With Background
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A bit of scratched up grayness. Always good.
Source Dmitry
Green Background Pattern
Source V. Hartikainen
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!
Source V. Hartikainen
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green