An attempt for cleaning up the original image in a few steps.
Source Lazur URH
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Derived from a drawing in 'Historiske Afhandlinger', Adolf Jorgensen, 1898.
Source Firkin
Colorful Floral Background 3 No Black
Source GDJ
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo