Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Prismatic Floral Background No Black
Source GDJ
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
A seamless design of flowers remixed from a jpg on Pixabay by Prawny.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Psychedelic Geometric Background No Black
Source GDJ
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
A pale olive green background with a seamless texture.
Source V. Hartikainen
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
A seamless pale yellow paper background with a pattern of animal tracks.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Embossed lines and squares with subtle highlights.
Source Alex Parker
Might not be super subtle, but quite original in its form.
Source Alex Smith
Abstract Ellipses Background Grayscale
Source GDJ
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH