A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
A pattern derived from part of a fractal rendering in Paint.net.
Source Firkin
A seamless pattern formed from a square tile. To get the tile, select the rectangle in Inkscape and use 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
A seamless texture of worn out "cardboard".
Source V. Hartikainen
A background pattern with blue on white vertical stripes.
Source V. Hartikainen
Prismatic Hypnotic Pattern No Background
Source GDJ
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
A new take on the black linen pattern. Softer this time.
Source Atle Mo