This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
Prismatic Geometric Pattern Background
Source GDJ
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/
Source Yamachem
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Tiny circle waves, almost like the ocean.
Source Sagive
Here is a new seamless wood texture for using as blog or website backgrounds.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A seamless pattern with green and yellow diagonal lines on top of a white dotted background.
Source V. Hartikainen
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
A seamless pattern formed from a square tile based on a jpg on Pixabay. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
Prismatic Snowflakes Pattern No Background
Source GDJ
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin