Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Prismatic Polyskelion Pattern No Background
Source GDJ
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
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
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Seamless pattern inspired by a drawing on Pixabay. To get the tile this is formed from, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
A seamless texture of worn out "cardboard".
Source V. Hartikainen
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin