White handmade paper pattern with small bumps.
Source Marquis
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
The image is a design of blue glass.How about using it as background image?
Source Yamachem
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
White circles connecting on a light gray background.
Source Mark Collins
A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This one has rusty dark brown texture.
Source V. Hartikainen
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
Background formed from the original with an emboss effect
Source GDJ
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars