Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
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 comeback for you: the popular Escheresque, now in black.
Source Patten
The image depicts a shell seamless pattern.I used an OCAL clipart called "Shell" uploaded by "jgm104".Thanks.
Source Yamachem
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
Remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
From an image on opengameart.org shared by rubberduck.
Source Firkin