Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Prismatic Basic Pattern 2 No Background
Source GDJ
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Sort of reminds me of those old house wallpapers.
Source Tish
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
Zero CC Mossy stone tileable texture, photographed and made by me. CC0
Source Sojan Janso
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
I’m not going to lie – if you submit something with the words Norwegian and Rose in it, it’s likely I’ll publish it.
Source Fredrik Scheide
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter