Prismatic Rounded Squares Grid 3 No Background
Source GDJ
A free grid paper background pattern for using on web sites.
Source V. Hartikainen
Sometimes you just need the simplest thing.
Source Fabricio
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Green Web Background, Seamless tile.
Source V. Hartikainen
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
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
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
This one is quite simple in design, it consists of vertical stripes layered on top of a seamless texture.
Source V. Hartikainen
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Actually remixed from a pattern on Pixabay. But then noticed a very similar one on Openclipart.org uploaded by btj51q2.
Source Firkin
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin