The image depicts a seamless pattern which was made using stripe-like things including borders.I used OCAL cliparts called "Blue Greek Key With Lines Border" uploaded by "GR8DAN" and "daisy border" uploaded by "johnny_automatic".Thanks.
Source Yamachem
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
An abstract web texture of a polished blue stone (or does it look more like ice).
Source V. Hartikainen
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
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
A seamless background of warped stripes on paper.
Source V. Hartikainen
A comeback for you: the popular Escheresque, now in black.
Source Patten
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
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
Free tiled background with colorful stripes and white splatter.
Source V. Hartikainen
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
Prismatic Hexagonalist Pattern No Background
Source GDJ
Abstract Ellipses Background Grayscale
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
"Beige Stone", Tileable Texture.
Source V. Hartikainen
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos