Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
ZeroCC tileable moss texture, photographed and made by me. CC0
Source Sojan Janso
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen