Derived from a drawing in 'Historiske Afhandlinger', Adolf Jorgensen, 1898.
Source Firkin
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
A bit simplified version. Although it could be edited out to be simpler. Anyway, this time the tiling is converted to a pattern fill -which is using clipping for the tile's edges.
Source Lazur URH
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Similar to original, but without gaps in between the arrows. This seamless pattern was created from a rectangular tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Seamless Prismatic Geometric Pattern With Background
Source GDJ
Prismatic 3D Isometric Tessellation Pattern 6
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
An aged paper background tile with smeared and pressed text.
Source V. Hartikainen
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten