Geometric triangles seem to be quite hot these days.
Source Pixeden
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
The tile can be had by selecting the rectangle in Inkscape and using shift+alt+i. Remixed from a drawing in 'Flowers of Song', Frederick Weatherly, 1895.
Source Firkin
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel