Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
ZeroCC tileable beechwood wood texture, generated in Neo Texture Edit by me. CC0
Source Sojan Janso
This light background pattern has a texture of "frozen" surface with diagonal stripes. Here's an yet another addition to the collection of free website backgrounds.
Source V. Hartikainen
Prismatic Abstract Geometric Background 4
Source GDJ
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Continuing the geometric trend, here is one more.
Source Mike Warner
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić
Prismatic Geometric Pattern Background
Source GDJ
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Prismatic Snowflakes Pattern No Background
Source GDJ
This is the remix of "plant pattern 02".I changed the object color to white and the BG to purple.The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:jp.pinterest.com/pin/500744052301423641/
Source Yamachem
It’s big, it’s gradient—and it’s square.
Source Brankic1979
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
Background pattern made in "Grunge-Like" style. Available in both SVG and JPG formats. Edit to your needs then click the download button.
Source V. Hartikainen
Sometimes you just need the simplest thing.
Source Fabricio
The classic notebook paper with horizontal stripes.
Source Are Sundnes
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin