The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:https://jp.pinterest.com/pin/500744052301423641/
Source Yamachem
There are many carbon patterns, but this one is tiny.
Source Designova
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
This is the remix of "blue wave-seigaiha".This is the flowers of pink silk tree which is called "nemuno-ki".About pink silk tree ,refer to here:https://jp.pinterest.com/pin/500744052301210439/
Source Yamachem
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Abstract Tiled Background Extended 10
Source GDJ
Background formed from the original with an emboss effect.
Source Firkin
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Vector version of a JPG that was uploaded to Pixabay by theasad121
Source Firkin