A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Continuing the geometric trend, here is one more.
Source Mike Warner
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
This was formed by distorting an image of a background on Pixabay.
Source Firkin
The original enhanced with some gradients.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen
The original enhanced with one of Inkscapes's filters.
Source Firkin
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen