An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
From a drawing in 'Handbook of the excursions proposed to be made by the Lincoln Diocesan Architectural Society, on the 27th and 28th of May, 1857', Edward Trollope, 1857.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
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
Prismatic Geometric Pattern Background 2
Source GDJ
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Alternative colour scheme. 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
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
A free tileable background colored in off-white (antique white) color.
Source V. Hartikainen
You guessed it – looks a bit like cloth.
Source Peax Webdesign
Sharp but soft triangles in light shades of gray.
Source Pixeden
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
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