A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Prismatic Groovy Concentric Background 2
Source GDJ
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Black And White Floral Pattern Background Inverse
Source GDJ
Prismatic Triangular Background Design Mark II 5
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
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
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
A seamless paper background colored in pale yellow.
Source V. Hartikainen
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
The classic notebook paper with horizontal stripes.
Source Are Sundnes