Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
From a drawing in 'Jardyne's Wife', Charles Wills, 1891.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamlessly tile-able grunge background image.
Source V. Hartikainen
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
A seamless tessellation pattern. To get the tile this is formed from, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
The image is the remix of "wire-mesh fence seamless pattern" .This is a more minute version of it.Sorry for the file size.Using path>difference in Inkscape, I will cut out any silhouette from this pattern and create a "meshed silhouette".
Source Yamachem
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Black version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Element of beach pattern with background.
Source Rones
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Just like your old suit, all striped and smooth.
Source Alex Berkowitz