Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
Prismatic Hypnotic Pattern No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The tile this is based on was adapted from an image that was uploaded to Pixabay by frolicsomepl. It can be had in Inkscape by selecting the rectangle and using 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 a rough concrete surface.
Source V. Hartikainen
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Alternative colour scheme for the original floral pattern.
Source Firkin
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
Prismatic Groovy Concentric Background 3
Source GDJ
Black version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Prismatic Groovy Concentric Background No Black
Source GDJ
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran