That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
You know you love wood patterns, so here’s one more.
Source Richard Tabor
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
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Zero CC tileable Laminate wood texture, photographed and made by me. CC0
Source Sojan Janso
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
Looks like an old wall. I guess that’s it then?
Source Viahorizon
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
Prismatic Geometric Pattern Background
Source GDJ
A seamless pattern created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin