There are many carbon patterns, but this one is tiny.
Source Designova
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Zero CC tileable Laminate wood texture, photographed and made by me. CC0
Source Sojan Janso
Kaleidoscope Prismatic Abstract No Background
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
From a drawing in 'Real Sailor-Songs', John Ashton, 1891.
Source Firkin
Prismatic Groovy Concentric Background No Black
Source GDJ
Prismatic Geometric Pattern Background 2
Source GDJ
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Just like the black maze, only in light gray. Duh.
Source Peax
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
Prismatic Triangular Seamless Pattern III With Background
Source GDJ