From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
A simple bump filter made upon request at irc #inkscape at freenode. Made a screen capture of the making here: https://youtu.be/TGAWYKVLxQw
Source Lazur URH
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
Prismatic Groovy Concentric Background 2
Source GDJ
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Prismatic Hypnotic Pattern No Background
Source GDJ
More in the paper realm, this time with fibers.
Source Jorge Fuentes
Prismatic Geometric Pattern Background
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Black version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
More in the paper realm, this time with fibers.
Source Jorge Fuentes