Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
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
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
Prismatic Floral Background No Black
Source GDJ
Someone was asking about how to achieve a fur pattern at #inkscape irc so tried to make a filter on it. Flood filled fractal noises rigged together. May someone find a good use for these.
Source Lazur URH
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
You guessed it – looks a bit like cloth.
Source Peax Webdesign
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green