Clover with background for St. Patrick's Day. Add to a card with a doily, ribbon, a leprechaun or other embellishments.
Source BAJ
Classic vertical lines, in all its subtlety.
Source Cody L
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Embossed lines and squares with subtle highlights.
Source Alex Parker
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
A seamless texture of worn out "cardboard".
Source V. Hartikainen
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
A seamless striped fabric-like texture colored in a dark reddish brown color.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso