Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
Remixed from a drawing in 'Incidents on a Journey through Nubia to Darfoor', F. Ensor, 1891.
Source Firkin
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
Prismatic Groovy Concentric Background 2
Source GDJ
Prismatic Hexagonalism Pattern No Background
Source GDJ
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
A lot of people like the icon patterns, so here’s one for your restaurant blog.
Source Andrijana Jarnjak
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Formed by distorting an image on Pixabay that was uploaded by gustavorezende. To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Geometric Tessellation Pattern No Background
Source GDJ