Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
Formed from a tile that can be had by selecting the rectangle in Inkscape and using 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
An alternative colour scheme to the original seamless pattern.
Source Firkin
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Prismatic Groovy Concentric Background No Black
Source GDJ
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
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
Kaleidoscope Prismatic Abstract No Background
Source GDJ
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca