You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
One more updated pattern. Not really carbon fiber, but it’s the most popular pattern, so I’ll give you an extra choice.
Source Atle Mo
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Prismatic Polka Dots Mark II No Background
Source GDJ
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
No relation to the band, but damn it’s subtle!
Source Thomas Myrman