Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.
Source Sojan Janso
Prismatic Geometric Pattern Background
Source GDJ
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Prismatic Groovy Concentric Background 3
Source GDJ
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Inspired by a pattern found in 'A General History of Hampshire, or the County of Southampton, including the Isle of Wight', Bernard Woodwood, 1861
Source Firkin
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A seamless background colored in pale orange. It has a paper like texture with diagonal grid pattern.
Source V. Hartikainen
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
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
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Zero CC plastic pattern texture, photographed and made by me. CC0 *Note, this texture was on the perfectly smooth surface of a plastic shovel scraper, not sure how to call it. Plz coment if you know what its called.
Source Sojan Janso