The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Abstract Geometric Background 4
Source GDJ
ZeroCC tileabel stone granite texture, edited from pixabay. CC0
Source Sojan Janso
The original enhanced with some gradients.
Source Firkin
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
I’m not going to use the word Retina for all the new patterns, but it just felt right for this one. Huge wood pattern for ya’ll.
Source Atle Mo
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
Might not be super subtle, but quite original in its form.
Source Alex Smith
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
Neat little photography icon pattern.
Source Hossam Elbialy