Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
From an image on opengameart.org shared by rubberduck.
Source Firkin
Zero CC tileable Laminate wood texture, photographed and made by me. CC0
Source Sojan Janso
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Remixed from a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Prismatic Snowflakes Pattern 3 No Background
Source GDJ