Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Prismatic Groovy Concentric Background 5
Source GDJ
It’s big, it’s gradient—and it’s square.
Source Brankic1979
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Remix from a drawing in 'Ostatnie chwile powstania styczniowego', Zygmunt Sulima, 1887.
Source Firkin
A seamless pattern of leopard skin. It should look nice as a background element on web pages.
Source V. Hartikainen
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Inspired by an image that was uploaded to Pixabay by geralt
Source Firkin
A repeating background of thick textured paper. Actually, it turned out to look like something between a paper and fabric.
Source V. Hartikainen
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
Colour version of the original pattern.
Source Firkin
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Continuing the geometric trend, here is one more.
Source Mike Warner
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