A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
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
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Retro Circles Background 5 No Black
Source GDJ
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.
Source Lazur URH
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Colour version of the original pattern inspired by the front cover of 'Old and New Paris', Henry Edwards, 1894.
Source Firkin
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
"Beige Stone", Tileable Texture.
Source V. Hartikainen
The original enhanced with one of Inkscapes's filters.
Source Firkin
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Geometric triangles seem to be quite hot these days.
Source Pixeden
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran