Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Seamless pattern made from a tile that can be obtained in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
Zero CC plastic pattern texture, photographed and made by me. CC0 *Note, this texture was on the perfectly smooth surface of a plastic shovel scraper, not sure how to call it. Plz coment if you know what its called.
Source Sojan Janso
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
Sharp but soft triangles in light shades of gray.
Source Pixeden
A background pattern with a look of rough fabric.
Source V. Hartikainen
Black And White Floral Pattern Background Inverse
Source GDJ
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ