Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
There are many carbon patterns, but this one is tiny.
Source Designova
Remixed from a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Just a nice looking textured pattern with faded blue stripes. Well, that's it for today... one background a day, as usual.
Source V. Hartikainen
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Abstract Tiled Background Extended 6
Source GDJ
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
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
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso